可在

• Examination of the conscious animal's eyes may be conveniently accomplished in a dark room or stall .
  清醒家畜的眼的检查，可在暗室或厩舍中顺利进行。
• This pattern may be recorded on film by simply placing the film in the position of the screen .
  只要把胶片放在屏幕的位置上，就可在胶片上录下这个图样。
• A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged .
  为了不使蓝光进入相机而成像，可在相机的透镜前加一黄滤色镜。
• A force exerted on the balance changes the length of the spring, and the change can be read on the scale .
  当秤受力时，弹簧长度就发生变化，这一变化可在标尺上读出。
• Gas burners are ignited by a high-voltage spark in a pilot gas stream or by an electrically heated wire .
  煤气烧嘴可在引火煤气流中用高压电火花点火，亦可用电热丝点火。
• A very small hole can be drilled in a diamond for use as a die in drawing very small-diameter wire .
  可在金刚石上打出一个很小的孔，作为直径极小的金属丝的拉丝模具之用。
• It is inconceivable that so strong a source of energy can be switched on and off in as little time as 1/30 second .
  真难以想象如此强的能源可在130秒这样短的时间内关闭和开启。
• Electrical transducers recording on multichannel oscillographs are necessary for most structural dynamic tests .
  大多数结构动力试验都需要可在多道示波器上进行记录的电气传感器。
• Yorke's shadowy side found sympathy and affinity in the whole of his wife's uniformly overcast nature .
  约克的阴暗一面，可在他妻子那整个始终如一的阴霾之天性上找到一致和相似之处。
• This turnable can be rotated in its own plane about its axis a. and is mounted on gimbals within a ring .
  此内转台可在其自身平面内绕其轴线A转动，并装在一个位于圆环里面的常平架上。