1、The changes of the myocardial beat frequency before and after administration were counted.
通過計數(shù)器計數(shù)給藥前后心肌細胞搏動頻率的變化。

2、The envelope of the beat frequency is depicted as the grey areas.
信封的擺動頻率是描述的灰色地帶。

3、The influence of time length and beat frequency on radar range is discussed.
討論了信號時長和差拍頻率對雷達作用距離的影響；

4、The envelope of the beat frequency will always be stationary in space; no angular velocity.
信封的擺動頻率將永遠固定在空間；沒有角速度。

beat frequency翻譯