次摆线转子泵 trochoid rotor pump
次摆线螺杆泵 trochoid screw pump
次摆线 [数] trochoid ; trochoid screw pump
次摆线泵 trochoid pump
圆内次摆线 hypotrochoid
运动影响次摆动轴 Secondary Table
次摆线质谱仪 trochoidal ; mass spectrometer ; [物] trochoidal mass analyzer
次摆线转子泵联轴器 trochoid rotor pump coupling
次摆线螺杆泵联轴器 trochoid screw pump coupling
有一次，他从办公室的窗户瞥见她穿着黑色宽摆大衣，神情凝重，正传过街道去拿牙医的报告或是预约诊断时间。
Once, he glimpsed her from his window as she reported, preoccupied and solemn in a dark, wide-skirted cloth coat, for treatment across the street.
也就是，我们得到摆停，我们测量直到第二次停止的时间，那是半周期。
Namely, we wait until the pendulum stops, and we measure the time until it stops again; that's half a period.
第三日，以色列人又上去攻击便雅悯人，在基比亚前摆阵，与前两次一样。
They went up against the Benjamites on the third day and took up positions against Gibeah as they had done before.
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