sight bead

sight bead的基本解释

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准星

与sight bead相关的网络例句 [注：此内容来源于网络，仅供参考]

The golden yellow blooms of the Spathoglottis pubescens and the white-and-purple Arundina chinensis are the two of the most commonly seen species, while rock surfaces covered by the large emerald bead-like pseudobulbs of the Pholidota chinensis is a common sight high at the misty montane forest.

最常见而大家比较熟悉的，是金黄色的苞舌兰Spathoglottis pubescens，和白瓣紫芯的竹叶兰Arundina chinensis；云雾萦绕的高山密林中，潮湿的石面上碧绿圆浑如翡翠珠的，是大家不会陌生的石仙桃Pholidota chinensis的假球茎。

Hawkers fitted a long sight bar for the ring and bead on which the pilot could choose the position of the two elements, some preferring the the ring in the centre with a bead at either end.

Hawker公司把圆环和圆点安装在一个长的标尺上，飞行员可以选择它们在标尺的位置，有些飞行员更喜欢把圆环放在标尺中间，标尺两端各安一个圆点。