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The sighting device of seeing optical system has two kinds of situations which are the main image and the secondary image, the main image which is the indispensable sign of presenting the target but the secondary image is not useful to the target.
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摘要视准式光学系统瞄准具的成像有主像和副像两种情形，主像是对目标瞄准的必要标志，副像则对目标的瞄准产生不良影响，为消除或减弱光学系统所成的副像对瞄准精度的影响，主要分析了光学系统中中心反射镜的反射和有无平行差时产生副像的原因。 |
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The sighting over Norfolk is rather more puzzling, as although the time is about right (some time around noon would suggest a speed of about 80mph, the maximum (road!
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在诺福克上空被看见更加费解，因为虽然时间大概正确(正午左右的时间意味着大约80英里每小时的速度，即新型福特安格里亚的最大速度(在道路上! |
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The sights of a rifle must be in alignment with the target.
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步枪的准星必须要与目标对齐。 |
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The sights of the gun must be in alignment with the target .
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枪的瞄准器必须与射击目标对准成一线. |
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The sights of the gun must be in alignment with the target.
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枪的瞄准器必须与射击目标对准成一线. |
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The sightseeing garden glasshouse has video monitoring system and data collecting system, which present the use of modern information technology in urban agriculture.
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观光园温室安装有视频监测系统和温室数据采集系统，它是现代信息技术在都市农业中的应用。 |
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The sightseer speaks highly of the highway with sigh.
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观光者叹息着盛赞这条公路. |
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The sightseers who come by bus—and often take in Warwick Castle and Blenheim Palace on the side—dont usually see the plays, and some of them are even surprised to find a theatre in Stratford.
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坐着大巴来的观光客,经常也顺便看看沃尔威克城堡和布伦海姆宫,一般都不看戏,其中有些人看到斯特拉福德竟然有一家剧院甚至惊讶不已. |
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The sightseers who come by bus—and often take in Warwick Castle and Blenheim Palace on the side—don‘t usually see the plays,and some of them are even surprised to find a theatre in Stratford.
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坐着大巴来的观光客，虽然经常顺便看看沃尔威克城堡和布伦海姆宫，一般都不是来看戏，其中有些人看到斯特拉福德竟然一家剧院甚至惊讶不已。 |
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The sightseers who come by bus—and often take in Warwick Castle and Blenheim Palace on the side—dont usually see the plays，and some of them are even surprised to find a theatre in Stratford.
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「译文」坐着大巴来的观光客，虽然经常顺便看看沃尔威克城堡和布伦海姆宫，一般都不是来看戏，其中有些人看到斯特拉福德竟然一家剧院甚至惊讶不已。 |
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The sign and house placement of the key planet hold clues to the cause of death at the close of the previous life.
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关键行星所在的星座和宫位中存在关于前世生命的死亡原因的线索。 |
