has been的例句大全

No direct correlation between plasma concentration and efficacy has been established.

尚未证实血浆浓度与疗效之间是否存在直接相关性.

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Nitrate ion has been examined as a corrosion inhibitor for aluminium in 1.

用失重法和动电位极化曲线方法研究了硝酸根离子对工业纯铝在1.

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The principle and technology of waterproof and moisture-holding of corrugated board packing has been investigated.

研究了抗水保湿瓦楞纸板包装技术的原理和工艺方法.

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In addition, paper mill, also has been enhancing the wall corrugated board.

除此之外, 纸厂也正逐步加强瓦楞纸的光滑度.

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He has been in full feather ever since his uncle, the pawn broker, died.

自打他那做当铺老板的叔叔死后, 他已经是腰缠万贯了.

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Because of the heavy rain, the public meeting has been declared off.

由于大雨, 群众大会已宣布取消.

词典精选例句

The public meeting has been declared off.

群众大会已宣布取消.

《简明英汉词典》

The public meeting has been declared on.

已经宣布要召开群众大会.

《简明英汉词典》

The personal savings rate has been rising over the past year.

个人储蓄率自从去年以来已经有所上升.

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A core shell structure styrene-acrylic emulsion has been prepared by seed emulsion polymerization.

采用种子乳液聚合的方法,制备了一种具有核壳结构的苯丙乳液.

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As the story goes, he has been promoted twice in five years.

据说他在五年中升迁了两次.

词典精选例句

There has been a long history of S & amp ; T exchanges between the two continents.

两大洲之间的 科技 交流 源远流长.

英汉 - 翻译样例 - 口语

High chromium white iron grey iron bimetal in EPC V process has been investigated.

采用消失模铸造生产铬系白口铁-灰铁双金属材料.

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As far as we know, the problem has not been attacked at home and abroad.

就我们所知国内外对这一问题尚未着手研究。

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Alkali reactivity of artificial granite aggregate has been studied by various test methods from macro scope to microscope.

对花岗岩人工骨料从宏观到微观，用多种试验方法进行了大量的试验研究。

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The surface of the natural and artificial fiber has been treated to improve the absorption, which is the hotspot in the field of high-performance medical dressings.

对天然或再生纤维素纤维和织物进行表面处理以提高其吸水性能成为了目前高性能医用敷料领域的研究热点。

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The design of the Type 022 has been directed to minimise the radar cross-section signature.

022型的设计针对将雷达 横截面 特征减到最低.

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Yesterday, has been basically completed in the Olympic park hockey field, the people started surfacing competition with artificial turf for the upcoming "good luck beijing" prepare for the race.

昨天，在已基本完工的奥林匹克公园曲棍球场里，工人们开始铺装比赛用人工草皮，为即将举行的“好运北京”赛事做准备。

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As far as we know, ID-based one time proxy signature scheme has not been studied yet.

就我们所知，基于身份的一次代理签名方案还没有被研究过。

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America's productivity growth has been more robust than most other rich countries"-a feat many ascribe to its flexible labour market and a culture of enterprise.

美国的生产率比绝大多数发达国家增长得更为强劲——许多人将这一成就归功于美国灵活的劳动力市场机制和特有的企业文化。

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