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Correlation of drillability anisotropy index of the roller cone bit and PDC bit, the difference between drillability of the roller cone bit in perpendicular and horizontal directions of the bedding plane with the P-wave velocity anisotropy coefficient are studied respectively by means of mathematical statistics. A mathematical model is established for predicting drillability anisotropy index by using P-wave velocity anisotropy coefficient.

用数理统计方法研究分析了牙轮钻头岩石可钻性各向异性指数、牙轮钻头垂直于和平行于地层层面方向岩石可钻性差值和PDC钻头岩石可钻性各向异性指数与纵波波速各向异性系数的相关关系，建立了用纵波波速各向异性系数评价地层可钻性各向异性的模型。

When q=1, this Gaussian coefficient identity changes the corresponding binomial coefficient identity.

当q=1时得到对应的普通二项式系数恒等式。

On two binomial coefficient s and their related combinatorial identities;2. Several identities on binomial coefficient s and trigonometric func tion values of special angles are obtained.

利用组合数学的一些技巧给出了切比雪夫多项式的通项表达式，并得到了一些二项式系数，特殊三角函数值的恒等

Through the source code audit such as RATS software can find the flaw information of level of partial source code, but after all the majority that software of source code audit searchs spills over for the existence buffer such as Strcpymemcpy the C function that involuntary discharge of urine has, the measure that adopts audit source code so will undertake flaw is dug is coefficient of a possibility very small leak digs a technology, and the flaw that although also can find a few software,checks in the light of the black box of software, but possibility coefficient also is met lesser, a few undertakes flaw is dug idea that are in abroad already slowly promotion writes black box to check code for oneself, the module of a certain function that is aimed at system or software next undertakes modular flaw digs a technology.

通过RATS等源代码审计软件可以找到部分源代码级别的漏洞信息，但是究竟源代码审计软件寻找的多数为strcpymemcpy等存在缓冲区溢出遗患的C函数，所以通过审计源代码的办法来进行漏洞挖掘是一个可能性系数很小的漏洞挖掘技术，而针对软件的黑盒子测试虽然也能找到一些软件的漏洞，但可能性系数也会较小，在国外的一些进行漏洞挖掘的办法已经慢慢的提升为自己写黑盒子测试代码，然后针对系统或软件的某个功能模块进行模块化的漏洞挖掘技术。

The theory about dielectric bolometer mode of BST was introduced, and the equation about pyroelectric coefficient of BST under dielectric bolometer mode was deduced, according to which computer-aided system for measuring BST ceramics'pyroelectric coefficient was manufacture.

本文介绍了关于BST介电探测模式的相关理论，在此基础上得出介电热辐射模式下的热释电系数公式，并依此原理，研制了测量BST热释电系数的计算机测试系统。

This method commendably solves the hard problem of computing the damage efficiency precisely, which is caused by overlapping of bomblet's damage areas; overcomes the flaw that the error of computing result is big, which is the result of using overlap coefficient and effective coefficient methods.

该方法较好的解决了射击幅员中子弹毁伤幅员重迭难以精确计算毁伤效能的难题，克服了解析评定法中采用的重迭系数和有效系统法带来计算结果误差大的缺点。

A novel layout of IC transformer is proposed to achieve both high turn ratio and coupling coefficient in this paper. In order to discuss the coupling coefficient, the layouts are designed with different turn ratio. The thesis is mainly includes of three experiment topics. The multi-stack structure is proposed to achieve prior goal in first topic. Two groups of proposed devices are designed to maintain identical self- inductances in transformer's primary and secondary coils. Total six devices are fabricated in foundry 90-nm CMOS technology. Using the 9 and 5 metal layers in primary and secondary coils in a specific layout, measurement results show that the transformer has the largest benefit using the bottommost return layer in layout design. In one word, the adoption of more metal layers to construct different turn ratio transformer shows not only improving the N value but also saving the chip area in this experiment.

中文摘要本文是针对不同圈数比变压器探讨其耦合量的变化，并且期望其变压器能同时达到高圈数比及高耦合系数的特性，本论文主要可分为三个实验主题，首先第一个主题提出以90nm CMOS制程技术实现的多层金属层的布局方式，并以相同的一、二次侧自感值分为两组，利用不同返回层来达到不同的圈数比，且从量测结果可以得知，在变压器布局设计上使用最底金属层来作返回层会得到较好的特性，最后从此实验得知一结论，利用合适的多层金属架构达到不同的圈数比，不仅可以改善圈数比，还可以缩小晶片面积。

The surface pressure coefficient and the minimum pressure coefficient of a bridge deck section are important parameters of the bridge.

桥梁断面表面压力系数、最小压力系数等是桥梁断面重要的参数。

The method amending atmosphere influence is introduced, which places large area gray body beside the target. After academic analysis and experiment research, it is found that the "black body demarcation curve" and "reference curve" intersect at the atmosphere temperature point, and the slope amending coefficient and offset amending coefficient could be calculated based this two curve. After corresponding amending on target gray, the infrared radiation characteristics could be calculated by rule and line.

介绍了通过放置在目标附近的大面源灰体修正环境影响的方法，经过理论分析及实验验证，发现"黑体标定曲线"和"参考曲线"相交于环境温度点，并且根据这两个曲线可计算出环境影响的斜率修正系数和偏置修正系数，对目标的灰度值进行相应的修正就可以准确地计算出目标的温度等红外辐射特性。

Generalized ridge estimation ; kantorovich inequality ; eigenvalue ; trace of matrix ; canonical correlation coefficient ; generalized correlation coefficient

广义岭估计； Kantorovich不等式；特征值；矩阵的迹；典型相关系数；广义相关系数

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。