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The ultrasonic phased array system for monitoring the expanding of weld defect in steel bridge was researched.
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摘要研制了针对钢结构桥梁焊缝缺陷扩展的超声相控阵监测系统。 |
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The ultrasonic sensor produces a data carrier utilizing very high frequencies that are outside the human's audible range.
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超声波传感器利用高频的声波传输数据，该声波在人的声波范围以外。 |
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The ultrastructural changes of microspore mother cells and tapetal cells in anthers during the abortion of male sterile cotton Kang Awere observed by comparing with its maintainer Kang Band by using transmission electron microscopy.
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摘要以棉花细胞质雄性不育系“抗A”为材料，以其同核异质保持系“抗B”为对照，用透射电子显微镜技术，观察了不育系败育过程中小抱子母细胞与绒毡层细胞超微结构的变化。 |
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The ultrastructures of chloroplast in the mesophyll cells of five species of alpine plants grown on Daban Mountain (an altitude of 3900m) in the northeast of Qinghai-Tibet Plateau were observed under TEM.
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摘要利用透射电镜对生长于青藏高原东北部达坂山（海拔3900m）的5种高山植物叶绿体超微结构进行了观察。 |
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The ultraviolet absorbance of the extraction liquid didn't relate to the sample weight or the extracted time.
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化探样萃取液的紫外吸光度与萃取时间及称样量关系不大。 |
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The ultraviolet ray lamp inside machine can realize sterilization.
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机内装有紫外线灯，能对包装进行消毒灭菌。 |
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The ultraweak biophoton emission(UBE) of different period grain in rice were measurated.
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摘要本实验对水稻籽粒灌浆过程中不同时期籽粒进行了超弱发光测定。 |
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The umbrella isn't big enough.
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这把雨伞不够大。 |
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The umbrella owner slowed his steps. Soapy did likewise, with a presentiment that luck would again run against him. The policeman looked at the two curiously.
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伞的主人放慢了脚步。索丕也放慢脚步，预感到运气又要与他背道而驰。警察好奇地看着这两个人。 |
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The umpire gave the batsman out (leg before wicket).
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裁判裁定击球员（用腿截球违例）出局. |
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The umpire ousted the arguing player from the game.
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裁判员将那位不服判决的运动员罚下场。 |
