准的

Based on noncollinear optical parametric amplification in periodically poled lithium niobate which is realized by quasi-phase matching technology, we consider the possibility of semi-noncollinear phase matching method between collinear and noncollinear geometry.

基于周期性极化铌酸锂晶体的准相位匹配光参变放大过程，通过倾斜周期极化铌酸锂晶体中极化域一定角度，实现了介于共线匹配方式和非共线匹配方式之间的一种半非共线型准相位匹配方式，并以该匹配方式下的各光矢量几何关系得出相位匹配曲线，找到在特定抽运光和信号光波长下能获得宽带增益放大的周期极化长度。

The damage of rocklike materials is complex. Some mechanical model can provide satisfactory results under simple loading. A few of models (Dragon's, etc) may describe the damage evolution of quasi-brittle materials in the condition of complex loading.

Dragon等人基于不可逆热力学框架建立的准脆性材料的各向异性弹性损伤模型，可以较好地描述岩石类准脆性材料在复杂加载路径下的的应力应变响应和损伤演化过程。

In this paper,the power coupling efficiency of semiconductor laser passing through a collimating system is discussed.

在长距离无线光通信中，接收点光功率密度与光束发散角平方呈反比关系，为了获得小的发散角和大的功率耦合效率，要求准直系统有较大的数值孔径，但数值孔径过大会增加像差，因此合理设计功率耦合效率与准直系统的数值孔径就非常重要。

Light propagation in the facetted light-collimator is based on total internal reflection or on reflection at a reflective coating provided on the facets of the facetted light-collimator.

多面光准直器中的光传播基于全内反射和在提供于多面光准直器的棱面上的反射覆层处的反射进行。

On the question of the falling through of lex causae raised by some scholars, the dissertation rebuts it, and holds the development tendency of lex causae is more obvious trends toward convergence and unification, and the self-government rule will take an important role in regulating the activity of electronic commerce.

鉴于有学者提出的准据沾&落空&问题，文章进行了反驳，并认为在准据法的发展趋势上，趋同化和统一化的趋势更加明显，电子商务的自治规则将在电子商务活动方面发挥重要作用。

Fault episodic activities controlled the thickness and spatial distribution of each strata, which induced that sedimentary center migrated clockwise with the area near to Wuhaozhuang fault zone as start point. The type of fault activities controlled the overlapping mode of sediments, which could be indicated by that the progradational sequence was developed mainly during the period of extensional fault activities and the retrograding sequence was developed mainly during the period of compressive fault activities.

断层的幕式活动控制了各时期沉积地层的厚度和空间展布形态，使得沉降中心以五号桩长堤断裂带附近为起点进行顺时针迁移；断层活动的性质控制了沉积物内部的叠加方式，即张性断层活动时期以发育退积式准层序组为主，压性断层活动时期以发育进积式准层序组为主。

On the basis of cognition of the potential significance of welding arc spectrum dynamic characteristics and with the destination to find out new sensoring method of metal transfer,this paper provided the parasynchronous principle and in turn verified the relationship between the pulses in the waveform of arc spectrum signals and metal droplet transfer with para high speed photography apparatus.

基于对熔化极气体保护焊电弧光谱信号动态特征重要意义的认识，以发现新的熔滴过渡传感方法为目的，本文提出准同步高速摄影法，设计了准同步光谱信号-高速摄影检测装置，验证了光谱信号波形中的脉冲是熔滴过渡所为，它们之间存在着确定的对应关系。

The constraint conditions of quasi optimal and strict optimal OOCs constructed by recursive method are theoretic analyzed. Based on these constraint conditions, as the initial conditions of OOCs obtained by direct construction, some quasi optimal and strict optimal OOCs with larger code length and sizes are obtained by recursive method.

2理论研究了基于递归法构造准最佳和严格最佳光正交码的约束条件，在此基础上，以直接构造法得到的光正交码为初始条件，利用递归法构造了一些具有相同相关特性的码长更长、容量更大的准最佳和严格最佳光正交码。

The quasi-perfect and double quasi-perfect punctured binary array pairs are defined. Their properties and Fourier spectrum characters are studied. The existing combinatorial admissibility conditions are presented.

研究了最佳屏蔽二进阵列偶、准最佳屏蔽二进阵列偶和双准最佳屏蔽二进阵列偶之间的关系，特别是当阵列偶的第一维和第二维的周期均为奇数时，它们之间的相互变换关系。

With respect to the traditional face-to-face education, distance education has the following salient features: in the entire study period, quasi-permanent separation of teachers and students; educational institutions or organizations through the learning materials and support services both to students influence; use Contact teachers and students a variety of technical media and carry course content; to provide two-way communication; in the entire study period, the quasi-permanent and not a collective learning, students mainly as an individual in learning, social and teaching in order to carry out the necessary purpose of the meeting.

相对于传统的面授教育，远程教育有这样几个显著的特征：在整个学习期间，师生准永久性地分离；教育机构或组织通过学习材料和支持服务两方面对学生的学习施加影响；利用各种技术媒体联系师生并承载课程内容；提供双向通信交流；在整个学习期间，准永久性地不设学习集体，学生主要是作为个人在学习，为了社交和教学目的进行必要的会面。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！