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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。

A finite element code is developed to calculate the temperature distribution of the inlet duct with the thermal barrier.

本文利用自行编写的有限元程序计算了进气道截面的温度场，并通过参数分析讨论了涂层选材及涂层结构对热防护效果的影响。

Firstly, the related parameters are distributed periodically in the falling film and their periods all equal to that of vacillation of fishing vessel. Secondly, the film tangent and radial velocity components are not zero because of vacillating additional inertia forces and furthermore, in one vacillation period, most parameters are distributed quite regularly in the tangent and radial directions. Thirdly, when other parameters are kept constant, the falling film absorption is enhanced if the amplitude or the period of vacillation is moderately decreased and this result conforms to the theoretical qualitative analysis. Finally, falling film absorption changes with the solution parameters at inlet and system pressure and the change trend is very similar to what happened in the static tube.

首先，降膜内相关参数分布具有周期性且周期等于摇摆振动周期；其次，摇摆附加惯性力使液膜沿吸收管周向和径向流速不为零，而且单位摇摆周期内各参数沿周向和管长方向分布比较规律；再次，当其他参数一定时，适当减小摇摆幅度和摇摆周期，液膜吸收能力将增强，这与理论定性分析相当吻合；最后，改变溶液入口参数及吸收压力，相应的吸收情况有所改变，其趋势与静止状态下的降膜吸收非常一致。

If the flow is correct, the reason for high inlet pressure must be increased resistance upstream in the ducting.

如果流量正常的，如果入口的压力过高，管道中必须增加逆流的抵抗力。

Where the road meets the sea, construction has begun. A rig pounds an inlet out of the coast, sending rubble rattling down a pipe to the sea.

一个操控装置敲击着海滩上突出的入海口，把碎石咔哒咔哒送进通向海里的管子。

The relations of thrust and specific impulse to inlet air flow and temperature are derived from theoretical analysis of solid fuel ramjet performance.

在固体燃料冲压发动机性能分析基础上，推导了某发动机的推力和比冲与入口流量和温度之间的关系式。

The energy saving in radiant heating systems with the adjusted inlet water temperature was also analyzed.

提出了这类系统能耗分析的思路和计算方法，在建筑负荷计算方面，可以采用改良温频法，在设备模拟方面，可以使用稳态的简化模拟法。

If the calculated H is negative, we must have a minimum inlet pressure head H.

如果计算所得H为负值，必须有一最小进口压力H的水头。

The road along the Cook Inlet was very nice, with a great view over the low-tide mudflats and endless water beyond.

公路沿线的库克湾是非常好的，有很大的看法低潮泥滩和无休止的水之外。

A conventional abrasive mixture pressurising system comprises a pressure vessel (15), a nozzle (13) connected to said compartment, an inlet (12) for fluid under pressure to drive the contents of the compartment to the nozzle and a supply of abrasive mixture.

本发明对传统的磨料混合物供应系统作了改进。传统的磨料混合物增压系统包括一高压容器（15），一与所述室相连的喷嘴（13），一加压流体的入口（12）用以把该室的内含物运送到喷嘴，以及一磨料混合物供应源组成。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。