查询词典 patch tests

MER and BER are digital channel quality tests; C/N tests the quality of analog channels.

MER和BER是数字通道质量检测；C/N测量模拟通道的质量。

Speech act , direct tests and indirect tests, and the direct method and the indirect method .

这种对立统一主要体现在直接言语行为和间接言语行为、接测试和间接测试以及直接教学法和间接教学法三方面。

An analysis is made of the optimal water content and maximal dry density of the eolian sand through a series of hammer tests. Through static load tests, its compactness is also studied.

本文通过室内击实试验研究了风积砂的最佳含水量和最大干密度；且通过静载荷试验，对风积砂的压实特性进行了研究。

In order to solve the problem of demolition cutting of pipes in an ex-service nuclear-powered submarine , a cavity effect cutter and timed ignitor are designed and prepared on the basis of comprehensively considering various influential factors, and tests of cutting and timed detonating stainless pipe were carried out, the tests can be references in practice.

本文对退役核潜艇管道拆除切割问题，在综合考虑各方面影响因素的基础上，设计、制作了聚能切割器及其定时起爆装置，并进行了不锈钢管的聚能切割实验和定时起爆实验。

Indeed, time-series tests show that demand helps explain the overall expensiveness and skew patterns of index options, and cross-sectional tests show that demand impacts the expensiveness of single-stock options as well.

事实上，时间序列测试表明，这种需求有助于解释整体的昂贵和指数期权模式，跨部门的测试表明，需求影响单一股票期权的价格。

At the same time, the large-scale shaking table test techniques of saturated sand ground were discussed, such as the design and preparation of saturated sand model ground, the arrangement of sensors and the test load program, which could be used as common reference to the same kind tests as well as necessary technical experience for subsequent shaking table tests on stone columns composite foundation in future.

同时，探索了饱和砂土地基液化大型振动台模型试验技术，如饱和砂土模型地基设计与制备、传感器布置、试验加载方案确定等，为今后开展此类试验提供一般的研究思路，并且为后续碎石桩复合地基振动台试验提供了必要的技术经验。

The modal tests of PCB and PCB assembly (free boundary condition and fixed boundary condition) were carried out. The equivalent elastic modulus and damping parameters of PCB can be gained, and the fixed boundary condition of finite element model was also determined. These will help to the following work.Second, drop impact tests of three different heights were carried out. Strains and acceleration responses of PCB were measured. Failed BGA packages of different test conditions were dyeing, and cross section analysis of failed solder joints was conducted.

针对JEDEC标准试件的局限性，提出了设计便于统计学研究焊点可靠性的试验试件的构想，利用有限元模态分析方法确定并验证了用圆形PCB组件替代JEDEC标准试件的可行性；通过一系列模态试验和有限元模态分析，确定了圆形PCB组件的相关试验参数，这不仅为跌落碰撞下PCB组件有限元模拟确定了较为合理准确的有限元模型，而且为正确地评价跌落碰撞下PCB组件的可靠性问题奠定了基础。2。

A new method is used to reduce the side frictional force in the tests, and the validity of this method is demonstrated through comparison tests.

试验中，研究了一种减小侧壁摩擦力的方法，并通过是否减轻摩擦的对比试验，论证了方法的有效性。

Children who do not get enough sleep have been shown to perform more poorly on memory and attention tests. And an April 2009 study found that sleep problems in the grade-school years were linked to poor scores on mental tests when the children reached adolescence.

睡眠不足的孩子在记忆力和注意力测验中表现不佳。2009年4月的一项研究显示，上学阶段孩子的睡眠问题会是孩子进入青春期后，心理测试表现不好的一个原因。

It consists of fitting seismic ray traveltimes and positions to data calculated by ray tracing. In order to improve inversion stability and efficiency, seismic ray is described by Hamilton function and ray tracing is done in phase space. Validation tests on synthetic and practical data are analyzed. The tests show that this tomographic method is effective for estimating velocity field in complex media.

为提高反演的稳定性和计算效率，引入了Hamilton函数描述射线，在相空间计算反演所需的射线路径和目标函数对模型参数的导数，对理论模型和实际地震资料进行了试算，试算表明该方法对复杂介质具有较强的适应能力。

We were supposed to participate in a siege of this unit.

当然我们也参加了围困这支部队的任务。

Sometimes we eat pomelos.

有时我们也会吃柚子。