under this condition, the protective structure should prevent the impact failure of fragments with mass larger than 100g.

1、

the impact failure mechanism of the polycrystalline layer in pdc was discussed.

并对PDC聚晶层冲击破坏的机理进行了讨论。

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2、

new development of synthesis of manganese-zinc ferrite materials

锰锌铁氧体材料的制备研究新进展

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3、

study on preparation of manganese-zinc ferrite using spent zn-mn batteries

用废旧锌锰电池制备锰锌铁氧体的研究

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4、

the new craft of manganese -zinc ferrite material with high performance

高性能锰锌铁氧体材料制备新工艺

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5、

treatment of manganese-zinc ferrite manufacturing effluent by coagulation and sedimentation

混凝沉淀法处理锰锌铁氧体生产废水

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6、

a research of the preparation and magnetic performance of manganese zinc, ferrite, iron- oxygen magnetic fluid

锰锌铁氧体磁流体的制备和磁性能研究

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7、

surface to be exposed to fluid

接触介质的表面

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8、

jy-21 full solid-state atc primary surveillance radar ( psr) is a new generation of airport surveillance radar ( asr), which has been developed according to the requirement of caac's air traffic control ( atc).

JY-21全固态航管一次监视雷达是按中国民航空中交通管制（ATC）需求研制的新一代机场监视雷达（ASR）。

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9、

last sheet of paper in a legal document which, when fold, become the outside sheet and carry the endorsement.

法律文件的最后一页，当折叠时，它成了外边的一页并带有背书。

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10、

the last sheet of each drawing will explain the changes made.

各张图画最后板料将解释变动做。

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11、

at one point, my grandmother even unrolled an entire roll of toilet paper to leave "shmily" on the very last sheet!

有一次我奶奶甚至展开了整筒卫生纸，在最后一张上留下了“shmily”！

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12、

if you use the last sheet of paper in the copy machine, refill the tray, and if you drink the last drop of coffee, make another pot.

如果你用掉了复印机里的最后一页纸，你需要重新将托盘装满；如果你喝光了最后一滴咖啡，就再冲上一壶。

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13、

this paper introduces the method and implementation of paleovetical line reconstruction and discusses some important questions.

介绍了古垂线法构造恢复的方法及具体实现，讨论了构造恢复中应注意的几个问题。

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14、

there was a radiopaque particle which was revealed on the right side of the mouth floor from the lower occlusal film in our clinic.

放射线下颚咬合片检查发现在右口底有不透射线颗粒。

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15、

the coffee puddle leaves a ring because it doesn't simply dry where it sits. as the spill begins to dry, it actually creates its own outward motion, drawing the insides of the puddle toward the edges.

咖啡滴不是简单地挥发掉，它实际上产生了自身的向外运动，将水滴中间的咖啡推向边缘。

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16、

he was still not quiet himself, he realized, because he had left his coffee ring at the bar, and he was not a man who forgot things.

他认识到，他还没有完全镇定下来，因为他将面包圈忘在了酒吧里，他不是一个丢三落四的男人。

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17、

i often use kingsoft fastait as my translation tool.

金山快译是我常用的翻译工具。

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18、

fortune favours the brave and, five weeks into his first season in english football, the spanish youngster can now say he has endured the crucible of the britannia stadium and survived.

运气青睐勇敢的人，走进英国足球5周以后，西班牙年轻人现在可以说他hold住了不列颠尼亚球场的考验。

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19、

fortune favours the brave and right now eurozone banks are the beneficiary of such daring by us based investors.

财富眷顾勇者，欧元区银行现在正受益于美国投资者的勇气。

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20、

influence of long residual effect herbicides to succession crop

长残效除草剂对后茬作物的影响

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