What is the linear amplifer?

Power is produced by the linear motion of a piston in a ___.

Every matrix transformation is a linear transformation.

What is the main form of turning machining? ( ) A: Workpiece rotation B: Workpiece linear motion C: Tool rotation D: Tool linear motion

Which of the following is true of BLUE? 未知类型：{'options': ['It is a rule that can be applied to any one value of the data to produce an estimate.', 'An estimator is linear if and only if it can be expressed as a linear function of the data on the dependent variable.', '', 'It is the best linear uniform estimator.'], 'type': 102}

Linear language is best characterized by which of the following.

The transformation that takes x to 2x+1 is a linear transformation.

（  ）代码，表示要进行3D变换。 A: perspective:100px; B: transform-style： preserve-3d; C: transition:linear 1s; D: animation：mycolor 1s linear;

​（ ）代码，表示要进行3D变换。‌ A: perspective:100px; B: transform-style： preserve-3d; C: transition:linear 1s; D: animation：mycolor 1s linear;

设置过渡效果，元素的宽度在5秒内由100px匀速变化到200px，延迟时间为2秒钟，则transition 属性设置正确的是（ ）。 A: transition:width 2s linear 5s B: transition:2s width 5s linear C: transition:width 5s linear 2s D: transition:5s width 2s linear