1.Increasing DPI, that's your x axis variable, doesn't seem to affect the control group much.

增加 DPI（即 x 轴变量）照组影响不大。机翻

2.The sensor sits in the knob of the company's so-called Smart Bat and uses two accelerometers and a three-axis gyroscope to measure bat speed, hand speed, attack angle and other factors.

该传感器位于这家公司智能球棒的把手处，其中的2个加速器及一个3轴陀螺仪能够球棒速度、手速、打击度等其他因素进行测量。

3.Stress begins with something called the hypothalamus pituitary adrenal axis, a series of interactions between endocrine glands in the brain and on the kidney, which controls your body's reaction to stress.

压力开始于一种叫做下丘脑垂肾上腺轴的东西，一连串的相互作用，在大脑的内分泌腺和肾脏之间，它会控制压力的反应。

4.To make sure that King’s mother became interested in Lao Ai, music would be played and he was ordered to put his shaft through a large wagon wheel and dance around naked.

为了确保国王的母亲老艾产生兴趣，会播放音乐， 并命令他将他的轴穿过一个大马车车轮并裸跳舞。机翻