The Huygens ocular , which dates back over 250 years is still in wide use today.

二百五十多年前的惠更斯目镜今天还在广泛使用.

辞典例句

In many cases, the Simpler Huygens - Fresnel treatment will prove quite adequate for our purpose.

在许多情况下, 对于我们的目的来说,更简单的惠更斯―菲涅耳方法将是合适的.

辞典例句

Fully fueled, Cassini - Huygens weighed about 5,500 kilograms and stood 6.8 meters tall.

装满燃料的卡西尼?惠更斯号重达5500公斤,高约6.8公尺.

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