sketch of structure of soft-sealing non rising stem gate valve

programming request for price quotation

软件报价单

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a heavy rim may be said to weigh 450 grams or more.

一个沉重的边缘，可以说是重450克以上。

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"viruses can't touch a mirror cell, " he says.

“病毒无法接触镜像细胞，”他说。

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every step on the path to making a mirror cell is blocked by the absence of the right protein tool.

在镜像细胞的创造过程中，每一步都被寻常蛋白工具的存在所阻隔。

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the cautious scientist in him can't see how the mirror cell, once full of chirally flipped molecular machinery, will come to life.

他表示，以科学工作者秉承的谨慎态度来看，很难想象完全以手性反转分子结构形成的镜像细胞会成为现实。

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but that's not the sort of mirror cell church has in mind.

而且这也不是丘奇想要的那种镜像细胞。

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"i would be the first to say that we shouldn't make a photosynthetic mirror cell, " church says.

“我必须得说，人类不应该去创造光合镜像细胞，”丘奇说。

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cratchit saw scrooge looking at him. he went to the fire and turned the small piece of coal over, but that stop it burning.

克拉特基特看见史高基看着自己，便走向火炉并且把那块很小的煤炭拿了出来，但是这让它停止了燃烧。

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variation of the population composition by age and the new residential model

人口年龄结构的变迁与新兴的居住模式

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whereas the conventional logarithmic frequency method is based on the open loop logarithmic frequency properties, in which the choice of the network depends on the experience of the designer in making system's properties approach the desired ideal properties by way of engineering graphical curves.

而惯用的对数频率法则是基于系统的开环对数频率特性，凭借设计者的经验选取某个网络，用工程作图法使系统特性去逼近希望的理想特性。

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cycle slip detection based on optimal parity vector test

基于最优奇偶向量检测的周跳检测

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selection and application of optimal parity vectors in the sensor fault isolation

传感器故障隔离中的最优一致向量选取及应用

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an optimal parity vector test method with good robustness is used to detect cycle slips, and then it can be restored.

这里采用鲁棒性好的最优奇偶向量方法检测周跳并进行修复。

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an approach of fault detection and isolation using optimal parity vector is proposed.

自动光学检查是利用图像处理算法进行电路板故障检测与定位的技术。

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harmonon soft modes of polar phase transition in a barium titanate

钛酸钡极性相变的简谐子软模图像

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the lattice dynamics of polar phase transition in a perovskite

钙钛矿结构极性相变的晶格动力学图像

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dielectric spectroscopy of ferroelectrics of diffuse polar phase transition

弥散相变型铁电体的介电谱

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the emulsion comprises a polar phase dispersed in a non- polar phase, wherein the polar phase comprises the biological entity.

该乳液包括分散在非极性相中的极性相，其中极性相包括生物学实体。

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it then enlists the participation of other firms in a syndicate; each syndicate member agrees to take a specified part of the issue.

随后，它会寻找其他公司组成财团，财团的每一个成员都同意购买部分发行证券。

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analysis of rigid body plane-parallel motion problem by dynamics principle

应用动力学理论解决刚体平面平行运动问题

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