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Feather painting by action Code: OnMouseDown = init; function init () {// create a feather, and set each feather parameter and call the function feather = createEmptyMovieClip ("f" + I, 10000 + I ++); feather. swapDepths (Math. random () * 10000);

The positive and negative values of Math. sin (x) x. The returned value ranges from-1.0 to 1.0; The cosine of Math. cos (x) x. The returned value is the number between-1.0 and 1.0; In both functions, X refers to the "radians" rather than the

To the users of Photoshop software for detailed analysis to share the imitation of Sin City Black-and-white style of production tutorials. Tutorial Sharing: Effect Chart: Here our model is a very cool gun girl ~

1. Coordinate system:Flash coordinate system and mathematical coordinate system: the X axis is the same, and the y axis is the opposite.[Mathematical coordinate system][Coordinate system in Flash]2. Conversion between Angle and Radian:(1) radians:

Calculate the Distance Based on the longitude and latitude of two points How are these cable cables determined? The earth is constantly rotating around the Earth's axis (the Earth's axis is a path through the north and south poles of the Earth and

CREATE DEFINER=`root`@`%` FUNCTION `f_getdistance`(in_from_x decimal(10,3), in_from_y decimal(10,3),in_to_x decimal(10,3),in_to_y decimal(10,3)) RETURNS decimal(20,10)BEGINdeclare line LineString;#select CONCAT('LineString(',in_from_x,' ',in_from_y,'

Because there is no accurate understanding of the concept of radians, we do not have a good understanding of trigonometric functions (sin, cos), and trigonometric functions are the most frequently used functions in advanced mathematics and analog

TaskCombined with this week's study of the principle of AC motor and start, speed, braking characteristics, the use of Modelica design and simulation of a three-phase AC induction Motor drive hoist lifting mechanism operation. The specific

Simulation JobsFor the AC motor model given by the teacher, the rotational speed of the rotating magnetic field during normal operationN0=60f/p=1500r/minIn general, three-phase asynchronous motor rated speed nn= (0.94~0.985) N0, run the teacher gave

Combined with this week's study of the principle of AC motor and start, speed, braking characteristics, the use of Modelica design and simulation of a three-phase AC induction Motor drive hoist lifting mechanism operation. The specific requirements