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the standard, the length of the permanent link cannot exceed 90 meters, and the length of the channel cannot exceed 100 meters. The precise measurement length is affected by several factors, including the rated transmission speed of the cable NVP, the length of the stranded wire and the outer leather sheath, and pulse scattering along the length direction. When the length is measured using an on-site testing instrument, the time delay is usually meas

Battery Type and life cycle 9V alkaline (NEDA 1604A or IEC 6LR61) typical 50 hours 9V alkaline NEDA 1604A or IEC 6LR61) typical 30 hours Remaining power indication The single-key operation shows the remaining power The single-key operation shows the remaining power Insufficient power indication Battery symbol display Battery symbol display Display 4-bit LCD display 4-bit LCD display Memory 500 measurement data per wavel

coefficient).The larger the coefficient, the higher the discriminating force, and the smaller the coefficient, the lower the discriminating power. The meaning of the 45-degree line means that the model has no distinguishing ability (i.e., stochastic model).Second, Kolmogrov-smirnov value (k-s value):The ROC curve is calculated at all possible truncation points, the error rate of the scoring model (type one error rate, false rate indicating that the model will default customer mistakenly

obtain a rough assessment of the quality of a book before readingIt can save a lot of time to quickly assess the quality of a book before delving into it. There are basically a few clues: Look at the author. The books written by the cattle writers are generally good. Look at the catalogue and introduction. A good catalogue and profile can reveal a significant part of the quality of the book. Whether the directory structure is clear or straightforward (rather than clerical) is a mea

How to intercept the content to get the image address?? Meat content: Maximum output power 350W Rated Power 300 Power version INTEL ATX12V 1.3 Version Scope of application Special power for Internet cafesSupports INTEL945, 965 Express chipset, Intel Core dual Core processor Interface description Free combination interface with 20pin and

The 15th anniversary of the fence home decoration-soft Installation It is not easy for programmers xdjm to buy a house. It has been laid by a developer or a second-hand house, and cannot be swallowed up by an installer, a building material dealer, a furniture dealer, or a soft contractor. We need to arm ourselves with knowledge and fight together with js to the end. Let's take a look at the fence home decoration series compiled by Leng Shan. PDF: http://download.csdn.net/source/1726999

Adjustment RateWhen the input grid voltage changes from the rated value AC 110V to ± 10%, the 24 V fluctuation of the output voltage of the regulated power supply is 0.8%, which meets the requirements of Class C.3.2 Load Adjustment RateWhen the output voltage is 24 V, the load current is at O ~ 3.9A fluctuation power output value, 24 V fluctuation is 3.3%.3.3 Ripple VoltageThe peak value of the ripple (including noise) of the output voltage is 1.4% a

milliampere. The rated value shall not be exceeded when adjusting the current of the pipe; otherwise, the focal surface may be overheated and damaged or the filament life may be shortened. 3. the maximum exposure time is the maximum exposure time allowed under the voltage and current conditions of a pipe, in seconds. If this value is exceeded during use, the focal surface will be overheated and damaged due to heat accumulation. 4. The anode thermal c

Watt, the sound pressure level obtained at one meter on the axis is used as an indicator. The larger the sound pressure level, the higher the speaker sensitivity, the maximum sound pressure level of the speaker can be calculated based on the speaker's sensitivity and rated power.Latency feedback Rate The attenuation of Multiple echoes over time reflects the sound absorption coefficient of the room interface. In the latency effect, it is used to con

professor be rated as a teacher that is very popular with students? The main reason is that he does not have a thesis. According to the current assessment system of colleges and universities, teachers' titles mainly refer to the number of scientific research papers, while Yan Caihong has hardly published a "decent" academic article. A senior manager of Shanghai Jiao Tong University explained: in a middle school, such a teacher can be

finger fetch, many CPUs currently use commands from spiflash at the earliest, but some CPU still use the CPU from the lpcflash. Some motherboard, these are set through a jumper, so the idea is required during debugging: if it is from the SPI/lpcflash area, make sure that the flash chip of the corresponding model is placed in the correct flash location. Otherwise, the specified flash chip cannot be obtained. BIOS chip: The BIOS chip may fail to boot properly after the system is powered on due t

On July 22, March 2, Microsoft admitted that it was investigating a new vulnerability in Internet Explorer that allowed hackers to implant malware into Windows XP computers.This vulnerability is causedDetected by maurycyprodeus, an analyst at the ISEC Security Research Center, and announced the attack.Code. Prodeus said that IE7 and IE8 users are affected by this vulnerability.In response, jerrybryant, Senior Manager of the Microsoft Security response center, confirmed that "Microsoft is investi

. Save the MetaBase. xml file after editing. If the file cannot be saved, IIS may be using the file. Open "start"-> "Administrative Tools"-> "Service", stop "IIS Admin Service", and save the settings; 5. Finally, restart IIS. You can go to the HTTP compression test site to verify the results. Taking jQuery as an example, the original size of the core class library and UI class library is 57k and 188 k respectively, and the compressed size is 20 k and 45 k respectively:In the Http header:Content-

indicates that, from the application perspective, for applications, buffers/cached is equivalent to available, because buffer/cached is designed to improve file read performance, when the application needs to use the memory, buffer/cached will be quickly recycled. From the application perspective, the available memory = system free memory + buffers + cached. The available memory for the local machine is: 18007156 = 2098428KB + 4545340KB + 11363424KB Next, we will explain when the memory will be

system. What's embarrassing is that the main driver of SDN and NFV is the key business orientation of service providers, that is, the need to quickly start personalized services and run standardized and scalable networks. More than 100 network operators and service providers around the world participated in the NFV Service Guarantee and Analysis Research completed by Heavy Reading in fourth quarter of 2017. CSP said they are working to implement NFV and are working to break away from the intern

-log4j.apache.mylogger.mysonlogger=,file-In the above code, Mysonlogger is the subclass logger component of MyLogger.6. Specify the log level in the package unitLog4j.logger.com.neareast =debugLog4j.logger.org.apache.struts=warnSpecifies that all classes under the Com.neareast package are rated as Debug.Specifies that all classes under the Struts package are rated warn.7. Basic Use MethodUsually there are t

student consider the the the The Good Quali Ty, zero indicating neutral, or negative implying that the student does isn't like living in the. Note that you can never assign a student to a hostel which he/she have not rated, as the absence of rating indicates Student cannot live in the same as other reasons.With limited information available, you ' ve decided to simply find an assignment such that every student are assigned to a R Oom he/she has

Rotor";Frequency f_s "Frequency of Stator";Torque Tm "Torque of the Motor";Speed n ' Speed of the ' motor ';Flux psi_a "A Phase flux-linkage of Stator";Flux psi_b "B Phase flux-linkage of Stator";Flux psi_c "C Phase flux-linkage of Stator";Flux psi_a "A Phase flux-linkage of Rotor";Flux Psi_b "b Phase flux-linkage of Rotor";Flux Psi_c "C Phase flux-linkage of Rotor";Angle Phi "Electrical Angle of Rotor";Angle phi_m "mechnical Angle of Rotor";angularvelocity W "Angular Velocity of Rotor";Torque

About Dkim:What is DKIM?In simple terms, Dkim helps increase the anti-spam rating in the mail service provider, reducing the probability that the message content is rated as spam.But using it is not equivalent to not being rated spam. In addition, the number of messages sent to the limit is not related to Dkim, please go right.Development Guide for Dkim:DomainKeys identified Mail (DKIM) development, Deploym

 2014 TI Cup undergraduate electronic Design competition regional competition use of instruments and devices, equipmentA) 3a/30v two-way regulated power supply (can be paralleled);b) 60MHz oscilloscope;c) Three-bit half-digital multimeter;d) Low frequency (10MHz) signal source;e) Low frequency AC millivolt meter.1. ay-ldc1000 Evaluation Board (must be used in the game, TI according to the number of registrations 30% allotted).2. AY-TPA3112D1 Evaluation Board (available in the title, TI is allo