无基础的

Based on the investigation in a village in south of Shandong province, the article shows that whether the parents donate the doctor dowry or not and how much the dowry is worth, are not a simple economic issue. They are closely linked with the life of the women in wife-receivrs and the affinal relations between the two families.

本文以山东南部一个村落的田野资料为基础，表明嫁妆的有无与价值的多少并非一个单纯的经济问题，它与女子在接受妻子集团的生活、与两个联姻家族之间的姻亲关系息息相关。

An injection type shunt hybrid active power filter was analyzed, it can suppress harmonic currents and compensate high capacity reactive power, nevertheless, a sharp boosting on DC-side voltage was found in application. Based on the analyses of the reasons, different solutions was proposed such as adoption of main circuit of multiple performances, the use of hysteretic control method, fore-feed control of reflowing current or direct control on DC-side voltage without a rectifier to supply.

研究一种兼具大容量无功补偿能力的注入式并联混合有源滤波器，并分析其在工程应用中发现的直流侧电压抬升现象及这种现象产生的原因，在此基础上提出从采用多重化主电路结构、滞环控制法、回灌电流前馈控制法和脱离整流电源直接对直流侧电压进行控制等几个方面来抑制直流侧电压抬升的方法。

To deal with RGVs systems with single rail and two di2 rections , forms of cycle2deadlock were also discussed....

在此基础上，针对单一轨道双向运行的轨道导引系统，探讨了其环路死锁的主要表现形式，给出了轨道导引小车无死锁运行的充要条件，并提出了包含临界状态在内的死锁避免控制策略。

The V-type metering system which can infinitely adjust the ratio is developed based on the analysis and compari-sion of the various types of polyurethane metering systems and the performance characteristics of self-developed reaction injection molding machine .

在对各种类型的聚氨酯计量系统进行分析比较的基础上，结合自行研制的反应注射成型机的工作特性研制出可进行无级比例调节的楔形计量系统。

The inefficiency problem during cold rolling of titanium sheet without tension exerted on it was investigated. The state equation of stress of titanium sheet under tensional effect is deduced on the basis of Hill's anisotropic yield criterion in combination with the anisotropic characteristics of titanium s mechanical properties.

针对钛板在无张力条件下冷轧效率低下的问题，首先结合钛材力学性能各向异性的特点，以Hill异性屈服准则为基础，推导出钛板在张力冷轧下的应力状态方程，从而在理论上阐明，钛板在张力条件下进行冷轧的可行性主要取决于其塑性变形条件及其所处的应力状态。

The influence of the lagging characteristics of CVT ratio control on the drivability and fuel economy of the automobile were studied.Based on the routine control strategy,the rotate speed signals of the secondary pulley were corrected, the algorithms of the objective ratio were perfected, and the departure of the engine operation from the optimal operation line was decreased.

分析了金属带式无级变速器速比控制的滞后特性对汽车燃料经济性和驾驶性能的影响，在常规控制策略的基础上，增加了对从动轮转速信号的修正，完善了目标速比控制算法，以减小发动机工作点相对最佳经济工作路线的偏离程度。

It is in fact accumulations after accumulations of studies based on a solid background and foundation.

学海无涯，英语的学习是无指尽的，它就是要我们在结实的基础上不停的累积、累积、再累积。

The company is situated in Shenzhen Industrial Park of stone, with nearly 10,000 square metres of modern industrial plants, all closed sterile production workshop, advanced production equipment and strong technical force, for all major brands of orders and abroad to lay a solid foundation.

公司地处深圳石观工业园内，拥有近万平方米的现代化工业厂房、全封闭无菌生产车间、先进的生产设备和雄厚的技术力量，为承接国内外各大品牌订单打下牢固的基础。

Different types of drilling fluid systems were used in over 30 under-balanced wells by New Star Company of SIN OPEC in recent years, and the low solids polysulfonated drilling fluid, solids free salt-water polymer drilling fluid, and low density emulsified diesel drilling fluid were focused in this paper, with their laboratory evaluation results and field applications desc...

针对中国石化新星公司近几年在不同地区施工的30余口欠平衡井所用不同类型的钻井液体系，介绍了低固相聚磺钻井液、无固相盐水聚合物钻井液、低密度乳化柴油钻井液3种钻井液的室内性能评价结果以及现场应用情况，并在此基础上总结分析了各钻井液体系所适用的地层以及其优缺点。

Psychoanalysis was built on the basis of Freud's instin cts theory and Jung's collective unconscious theory.

精神分析是在弗洛伊德的本能理论和荣格的集体无意识理论的基础上发展起来的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。