has-been的例句大全

Analyses the framework and principle of the power train based on a permanent magnet DC motor with an augmentor magnet, that has been used on an electric touring bus successfully.

分析了纯电动旅游客车永磁加增磁直流电机驱动系统结构与工作原理。

Rare autosomal recessive inheritance has also been described.

据报道很少一部分为常染色体隐性遗传型。

You have done it with a skill which has been at times awe-inspiring.

你的工作能力和技巧使你做到了这些令人敬佩的成绩。

Their policy has been avowedly Marxist; Susan Smith was professedly guilty of the murders.

他们公开宣称他们的政策是马克思主义的；苏珊.史密斯声称自己犯了谋杀罪。

His claim that the first appearance of the court aviso was in Tang dynasty has been the basic statement for supporting the study of the history of Chinese news promulgation.

他关于邸报“唐时已有”的论断，迄今仍是支撑中国新闻传播史研究的基本课题之一。

It has been suggested by the authors that the modern avifauna here might succeed from the meadow and forest-meadow type in late Pleistocene to current plateau wetland type.

该区鸟类区系是由更新世北方区动物群发展而来，从晚更新世经草原或森林&草原鸟类发展到至今的高原湿地鸟类。

Employing the average flow model and asperity contact model, a theoretical analysis for piston ring's lubrication condition has been presented.

基于平均流量模型和微凸体接触模型，对活塞环-缸套的润滑状态进行了分析。

Calculating formula has been inferred. We minimum average error method to attain best gear distributed rate and to calculate minimum error.

推导了用最小平均误差法获得最佳配齿及误差的计算公式。

Wall temperature distribution for axisymmetric vectoring exhaust nozzle ( AVEN) has been computed by means of closure cavity theoretic algorithm and numerical computation of internal 3D flow field in AVEN.

采用封闭腔理论算法，利用矢量喷管的三维内流场数值计算结果，对轴对称矢量喷管的壁温分布进行了数值计算。

Avant-garde literature has always been a hot and difficult topic in China and abroad literature academic research.

先锋文学一直是国内外文学研究中颇受重视的学术热点和难点之一。

Availing of this opportunity, the former China Unicorn and China Network joined together to yield the present China Unicorn. Thus, the competitive capability of China Unicom has been highly enhanced in corporation size, marketing and products.

在此契机下，原中国联通与原中国网通合并形成新中国联通，自此，中国联通在企业规模、市场规模、产品规模等各领域都强化了企业竞争力。

Autotransformer ( AT) supply system has been applied more and more extensively in the long-term practice.

在长期的实践应用中，自耦变压器（AT）供电方式在铁路领域的应用也越来越广泛。

He has been sentenced to pay a fine of 1000.

他被判罚款1000英镑.

Solar flare on July 14, 2000 has been monitored and analyzed using GPS data of the Chinese crust deformation monitoring network ( CCDMN). A possible auspice phenomenon of solar flare eruption is introduced in this paper.

利用中国地壳运动观测网络的GPS资料对2000年7月14日的太阳耀斑进行监测和分析，介绍一种值得探讨的耀斑爆发前可能存在的前兆现象。

The house has been out of repair. The door handle already fell off.

这幢房子年久失修, 门的把手已经脱落了.

The body of this machine has been damaged beyond repair.

这台机器的机体已经损坏,无法修复.

By the control of the cement, sand-gravel aggregate, reinforcing steel, loamy soil and the means of experiment in the use of the repairing project of the culvert passing Zhang River spoiled by devastating flood, it has been completed auspiciously.

通过对穿漳涵洞水毁修复工程所用水泥、砂砾石骨料、钢筋、壤土等材料以及试验手段的控制，保证了该项工程的顺利完成。

In the short period of time since the publication of the Trilogy, Auster has attracted international attention and been elevated to celebrity status.

三部曲发表以后，他名声大振，在很短的时间内即被捧为名流，引起各国文学界的瞩目。

But pinning down when precisely this took place, and which of the various australopithecine species were involved, has been challenging.

不过，要想确定确切的人类演化时间和哪些南方古猿物种参与了演化，仍是极具挑战性的课题。

In the short span of ten years, the total length of autoroute in China has been ranked the second of the world.

在短短的十几年内，我国高速公路的总长度己排名世界第二。