查询词典 half-angle

Apart from this polarizing feature, these glasses serve the same purposes as any dark glasses, absorbing 50% of the incident light; in an unpolarized beam, half the light can be considered as polarized horizontally and half vertically, and only the vertically polarized light is transmitted.

除偏振特色之外，为了同一目的，眼镜可以做成暗色，50%的入射光可以被吸收；在非偏振的入射光，有一半可以认为是水平偏振，另一半认为竖直偏振的。这样仅有竖直偏振光可以传播。

As for the first, though we were about half a mile away, we could hear them roaring and singing late into the night; and as for the second, the doctor staked his wig that, camped where they were in the marsh, and unprovided with remedies, the half of them would be on their backs before a week.

说到前者，虽然离了有半英里远，我们也能听得见他们连叫带唱直到深夜。说到后者，医生敢拿他的假发打赌，他们在沼泽地里宿营，又缺医少药，不出一星期，他们就得有一半人病倒。

In a small saucepan, over medium-high heat, bring the half-and-half and the vanilla bean to the scalding point.

在一个小平底锅，在中高热量，使半和香荚兰豆的屠宰点。

Remove from heat, take out the vanilla bean and scrape the seeds from the bean with the back of a knife, and mix the seeds back into the half-and-half.

删除热 ，取出香荚兰豆和划痕的种子从豆与后面的刀，和混合种子回到半。

How many years have passed How many times have the walls been brushed Like clothes, and more like skins Testifying for former residents Furnishings get along well with each other Though they are covered with dust They are not in any disorder And still stiffly remember the past The fingers for the piano have been remarried The keys are still disseminating fragrance Love has moved to other eaves Whose face is still shimmering in the album The world map is like a holy saint Holding his ground at a distinct corner While covert walks and windows Will never be able to line out Solitude is accompanying meditation There is not a single book leaf left Friends have come to deliver complaints and wishes And have taken ashtray and flagon Other seasons will descend Smiles will be fresh in the rain And fill the whole half-old vase While covers are inhabiting all the walls There will be mirrors to consume beauty There will be shoulders to lift the brain Behind cleaning milk and vanishing cream There will be face half hidden The age of sail has gone Yet there are new routes to be inaugurated Glass will gain masks Vacant rooms will gestate once again

经过了这么多年墙壁刷了多少遍像衣服，更像皮肤证明以往的住户家具们相处很和睦尽管有灰尘披覆却一点也不见凌乱顽固地记着从前弹琴的手指已改嫁琴键仍飘散着芬芳爱情已在别的屋檐下像册里谁的脸在闪光世界地图像圣徒坚守在显著的一隅隐秘的小路和窗户永远不可能标出孤独与沉思做伴没有留下一页书朋友们来诉苦和祝愿带走了烟缸和酒壶别的季节会来临微笑会鲜艳在雨里插满半旧的花瓶而封面占据着四壁会有镜子消受美貌会有双肩扛着头脑在洗面奶和雪花膏后面会有面孔半隐半现帆的时代已经过去但还有航线要开辟玻璃将得到面具空房也将再孕育

This is two halves of a ventral fin mold, one half of which was allowed to catalize on my building table, the other half being cast at about 60PSI in my pressure pot.

这是两半的一腹侧鱼翅模具，一，其中一半被允许catalize对我的建设表，另一半被投下约60psi在我的压力罐。

He was listening ,with a good humor negligent air, half comic, half contem ptuous, to halep who was very volubly expatiating on the quality of the article for which they were bargaining.

这时，他在不经意地听黑利讲话，态度和善，神情中夹杂着诙谐和轻蔑。只见黑俐滔滔不觉，详细解说着他们的讨价还价的那件商品的质量。

In this thesis, overlying strata structure combined"voussoir beam"with"half arch"have been put forward for first time, and mechanism and control features of different forms of"half arch"structure and"S—R"stability for the voussoir beam are analysed.

本文在现场实测研究的基础上，采用相似模拟实验、有限元数值模拟和理论分析方法对综放采场上覆岩层的变形和破坏发展过程进行了系统深入的研究。

Over the last 25 years the amount of energy used by the typical refrigerator dropped by two-thirds;washing-machine energy needs he been reduced by nearly half;the use of redwood decking has fallen by two-thirds;and toilets use less than half the water that they did in the 1970s.

在过去25年中，用于典型的冰箱的能量下降三分之二，洗衣机的能源需求已经减少了将近一半，红木的甲板使用能源的使用量下降了三分之二；和厕所使用不到一半的水，与20世纪70年代相比。

Over the last 25 years the amount of energy used by the typical refrigerator dropped by two-thirds; washing-machine energy needs have been reduced by nearly half; the use of redwood decking has fallen by two-thirds; and toilets use less than half the water that they did in the 1970s.

在过去25年中，用于典型的冰箱的能量下降三分之二，洗衣机的能源需求已经减少了将近一半，红木的甲板使用能源的使用量下降了三分之二；和厕所使用不到一半的水，与20世纪70年代相比。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。