可变地

The detailed finite element analytical computation was successfully carried out on this structure and the stress and strain distribution of this structure were obtained under various actual operating conditions, thus laid a foundation for the structural improvement and optimization design of the rear loaded garbage compressing cart.

采用实际测试和变参数描述相结合的方法给出垃圾载荷的数学表达，利用ANSYS进行结构有限元分析调校载荷数学表达中的可变参数，保证了分析计算与实验测试结果的一致性，成功地对该结构进行了详尽的有限元分析计算，获得了该结构在各种实际工况下的应力及变形分布，为后装式压缩垃圾车的结构改进与优化设计打下了基础。

Both variable orifices and electromagnetic controllers have been used with success.

可变锐孔和电磁流量控制器都已成功地使用。

A variable valve gear and a method of adjusting valve opening rates capable of accurately controlling the rate of air and the intensity of swirl flow in cylinders.

本发明涉及一种可变气门操作装置和一种气门打开量调节方法，并且能够精确地控制缸内空气的量和旋涡流的强度。

Greater flexibility has come with fuel injectors, which can metre fuel more precisely than carburettors, and variable-valve control, which can optimise the opening and closing of inlet and exhaust valves to produce more power when accelerating or greater economy when dawdling around town.

重要改进来自于电喷系统，它能比化油器更精确地控制燃料的喷射；以及可变气门系统，它能够优化发动机的进气和排起阀门的开启，让车子在加速时更有力而在低速运行时更省油。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。