杰瑞发布于2024-03-26
For a guy like you?A finish line always appears.MIT!Hey!And pulse-width modulation, or PWM, controls analog circuits with digital outputs.Right! The motors pulse and the speed changes by the duration of the pulse.Okay.Luis, are you sure that you get this, because we can go over it again.Yeah, PWM, I'm good.- Okay.- All right, so... Let's talk about weight, mass and density.- Okay.- All right?Mass is like a numerical measure of its composition.质量就像是对其组成的数字度量。All right, guys! I'll be back.Let me open to this chapter.Gwen? Gwen!They're fourth!- What?- Against college kids.Yes! How are the boys?What else did he say?He said that they might get the bronze.You should be there.- They don't need me.
