small aperture的用法和样例：
例句
- The destroyer's armament consists of several small cannons,two torpedo tubes and a number of anti-craft guns.
驱逐舰上的武器装备包括几门小口径大炮，两个鱼雷发射管与数门高射炮。 - A new method to calibrate a large aperture infrared opto-electric system by using a small aperture illumination collimator is introduced in detail.
摘要介绍了一种用小口径照明光管定标大口径红外光电系统的新方法。
