复杂

Downhole accidents frequently occurred due to the factors such as complicated formations, low automation degree of drilling equipments and nonproficiency of operation, and so on. High drilling cost or even the abandonment for a well will probably occur owing to those downhole accidents.

在钻井过程中，受地层多变性、钻井设备、仪器仪表自动化程度以及钻井操作技术熟练程度的制约和影响，井下往往会发生各种各样的复杂钻井事故，有的复杂事故会造成钻井成本急剧升高，甚至导致一口井报废。

Human face is a very complicated, multidimensional and nonrigid pattern, which has very complex physiological structure. What's more, due to people's familiarity with and sensitivity to the human face, it is comparatively difficult to do research of the human face.

由于人脸是一种极为复杂的、多维的模式，也是一种典型的非刚性模式，具有非常复杂的生理学构造，再加上人们对人脸的熟悉和敏感，因而人脸方面的研究相对来说比较困难。

The bioinformatics analysis showed that Ang II and ET, IL-1; PGI2 and ALD; NO and ALD composed of three subsystems and interrelated according to the principle of optimality of complex system, and gradual change regulation was also observed in fatigue stress group.

复杂系统分析结果显示：在疲劳应激组，AngⅡ、IL-1β与ET之间，ALD与PGI2之间，ALD与NO之间分别构成3个相互独立的系统，它们之间均是按照复杂系统的最优化原则发生相互联系，并存在递变规律。

Before machining,the NC programs must be checked to examine whether thetrajectory is right or not , whether the tool will overcut or without cut.

在数控加工中随着工件复杂程度的增加，尤其是鞋楦这样的复杂曲面，其数控加工程序的正确性无法靠人工检查。

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析，为进一步优化设计AWG及提高其性能提供了理论依据，而优化设计计算数值方法解决了AWG优化设计计算的复杂问题，为进一步建立AWG的计算机设计系统提供了基础；AWG光信号处理的特性分析，提出了AWG应用的新领域，为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径；波长传输矩阵变换关系的建立，不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法，而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用，能有效而准确地确定波长的路由关系，为实现节点波长传输路由的监控和管理提供有效手段；基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法；控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面，为建立自动交换光网路提供了一定的基础；时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化，为色散积累和色散补偿提供有效的分析参数。

Its content rich, structure complex, proper-noun is much, the character narrates numerous full of trivial details, as complex paronomasia, and as dry as a chip and drab, academic sex is not strong, be hard to remember.

其内容丰富、结构复杂、专有名词多，文字叙述繁冗、如同复杂的文字游戏，而且枯燥乏味、理论性不强，难于记忆。

Results Compared high kV X-ray chest film with spiral CT,to simplex silicosis,X-ray films coincided with CT scans;to mixed silicosis,the effect of CT scans were better than X-ray's;to large nodule,coalesced progressive massive fibrosis,the detected ratio of CT scans were higher than X-ray chest films;to silicosis complication,for example,emphysema,pleural thickening,phthisic,mediastinal impairment lympy node etc,CT scans were more reliable than X-ray films,especially HRCT can earlier find silicotic nodule and fine structure of focus.Selective application of CT scan,had great diagnostic value in complicated silicosis and silco-tuberculosis and lung cancer complicated with silicosis etc.

结果 高千伏X线胸片与螺旋CT作对比，结果对单纯矽肺并发肺癌，CT片与X线胸片基本一致；对于复杂矽肺并发肺癌CT优于X线胸片；对于大结节、肺内进行性大块纤维化(progressive massive fibrosis，PMF)融合、空洞及钙化CT检出率明显高出胸片；对矽肺并发肺癌的合并其他如肺气肿、胸膜肥厚、结核、纵隔淋巴受累等CT均较胸片可靠；特别是HRCT能早期发现矽肺肿块样病灶中细微结构，选择性应用CT，对复杂矽肺并发肺癌合并结核等鉴别诊断有很大价值。

This paper introduce a rapid RCS prediction system emX for complex targets using physical optics

摘 要 为了对复杂目标模型进行快速估算，在介绍复杂目标的RCS 计算系统emX 及其所采用的物理光学方法

Barenboim can rush passages, fumble notes, blur intricacies and even, on occasion, depart from the score - though he can also draw gasps at the fastest, lightest pianissimo fugal dexterity you could hope to hear.

巴伦博伊姆有时会把乐段和音符匆匆带过，把复杂的段落弹得含混不堪，甚至还忽视乐谱的指示－－虽然他也可以在最快、最轻的复杂多声部片段凭其高超技巧引来惊叹。

At last ,the piecewise linear interpolation function is applied to deal with complicated constraints conditions for solving the objective function .The simulation results on the three gorges cascaded hydropower system long term optimal dispatch under the flood and dry power price and comparison with other algorithms show that it is greatly efficient to solve engineering optimal problems with complicated constraints.

针对模型中复杂的约束条件，采用分段线性插值函数实现了对目标函数的求解，并通过对丰枯电价下三峡梯级水电系统长期优化调度问题的计算及与其它算法的对比，验证了该算法可运用在解决具有复杂约束条件的工程优化问题中。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。