双重目的的

Under the control of microprocessor, this product with an oscillating implement embedded in can produce mulriple-scanning pulse electromagnetic wave with variable frequency and mulriple frequency conversion ultrasonic. Electromagnetic wave can get rid of the pests around electrical wire and ultrasonic can dispel the pests in other areas of the room. The product sends out frequency conversion signal of ultrasonic to circumambience. Once touches objects, it reflects and permeates the room. The combining of the two waves has mulriple effects on the central nervous and hearing system of the pests such as rats, cockroachs, spiders and ants. As a result, the pests would be on the rack and agonizing or even have the symptom of swivet and twitch.

它由完全内置的震荡器，在微电脑的控制下可产生多重扫描变频脉冲电磁波和复合变频超声波，电磁波主要解决电源线周围害虫的问题，而超声波是要消除室内其余区域的害虫，它向周围发射的变频超声波信号，当它碰到物体会反射，从而能充满整个房间，这两种波迭加在一起所产生的双重功效，对老鼠、蟑螂、蜘蛛、蚂蚁等害虫的中枢神经及听觉系统进行多重干扰，令其感到极度不适，恐慌不安，甚至表现出狂乱、抽搐等症状，并能使其丧失繁殖能力，迫使其逃离原地，从而达到驱赶害虫的目的。

The purposes of education that he prescribe are diplex: blending the nationalism and individualism, causing up growth of the personal body and progress of moral and intellect, bringing up the personal attainment, body and mind"s ability, attitude and temperament, dominator and assistant of skill and knowledge, which needed by carring out the citizen"s responsibility.

他为人所规定的这一教育的目的是双重的：将国家主义教育和个人主义教育融为一体，促成个人的身体发育以及道德和理智的进步，造就具有履行国家公民职责所需要的个人素养、身心能力、态度和性情、技巧和知识的统治者和辅助者等级。

From the evolution, Id o the research based on the feature of the evolution of the twifold govern structure in the grass-route society in modern-time China. Discuss power network and land relation and calamity and population press. I tried to reveal the specific of modern-time China and the logical relationship with the formation of the party of the early-stage in China.

从基层社会的双重统治结构发展演变入手，并对基层社会的权力网络、土地关系、自然灾害、人口压力等问题进行了探讨，目的在于通过明晰中国的基层社会的自身特点，揭示中国基层社会的特殊性与中国早期政党产生之间隐含着的逻辑联系。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐