China's search engine market reached 946.6 million yuan ($131 million) in the fourth quarter -- almost double from a year earlier, according to a research firm.
根据一家调研公司的数据，中国搜索引擎市场在第四季度达到了9.466亿元（1.31亿美元）的规模—跟前一年比，几乎翻了一倍。
But until they are widely available, simple changes to the internal combustion engine-and the way we drive-could as much as double gas mileage.
但是，在这些汽车还没有广泛使用之前，对内燃机简单的改变以及我们驾驶方式的改变能使汽油里程加倍。
The test results show the LPG/diesel double fuel engine can obtain similar performance to a diesel engine.
试验结果表明，液化石油气-柴油双燃料发动机可得到与柴油机相类似的性能。
To extract early fatigue feature of engine bearings, the paper presents an average spectrum method with double-wavelet and the diagnosis examples are used to show the validity of the method.
为了提取机车滚动轴承早期损伤类故障特征，本文提出了一种双重小波平均谱方法，并通过诊断实例验证了方法的有效性。
Additional, in "MARPOL Reg 12a" the demand of Double Hull Protection for fuel oil tank, increases the difficulty of structure design for engine room.
加之MARPOL12A条款要求对燃油舱设置双壳保护，给机舱的结构设计增加了难度。
The invention relates to a blower driven by a double-cylinder gasoline engine and pertains to the technical field of garden machines.
一种以双缸汽油机为动力的吹风机，属于园林机械技术领域。
The blower is characterized by being driven by the double-cylinder gasoline engine.
吹 风机的动力为双缸汽油机。
The invention relates to a control method of a double-motor hybrid power system having a gasoline direct injection engine and belongs to automotive power transmission system technology.
本发明涉及装备汽油直喷发动机的双电机混合动力系统的控制方法，属于汽车动力传动系统技术。
Unbalanced two-stage reciprocating inertia force can be balanced by using Lanchester's double-shaft balance system, so that the engine noise and vibration could be reduced notably.
采用兰氏双轴平衡系统，可以平衡二阶往复惯性力，使柴油机的噪声和振动明显下降。
Under the effect of a starter (5), the double-cylinder gasoline engine starts to work.
在起动器(5)的作用下，双缸汽油机开始工作。
Based on the mass-period method, a measuring device named double spring inversion pendulum was designed, which could measure the center of mass and moment of inertia of an engine.
基于振动系统质量周期法，设计了一种测试发动机质量参数的双簧倒立摆试验台。
Driven by the thermoacoustic engine, a single stage double-inlet PTC obtained the lowest refrigeration temperature of 80.9K with operating frequency of 45Hz.
该热声发动机驱动双向进气型单级脉管制冷机达到80.9K的最低制冷温度。
Two cylinder bodies provided with spark plugs (3) are respectively fixed at the two sides of the crankcase body of the double-cylinder gasoline engine.
两个装有火花塞 （3）的汽缸体分别固定在汽油机曲轴箱体的两侧。
Modern Stirling engine can be divided into two main categories-displacer type machines and double-acting machines.
现代的斯特林发动机可分成两大类：置换式发动机和双作用发动机。
Modern Stirling engine can be divided into two main categories-displacer type machines and double-acting machines.
现代的斯特林发动机可分成两大类：置换式发动机和双作用发动机。
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