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By means of theoretical analysis and field testing of the anti-split effect of prestressed building floor slabs, it was illustrated that the technique of prestressing was very effective for dealing with the anti-splitting problem in super-length structure
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通过对预应力楼盖的抗裂效果的理论与现场实测分析，说明利用预应力技术解决超长结构的抗裂问题是非常有效的。 |
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By means of this, the engine can be started.
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发动机借助这种办法启动。 |
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By means of two-way radio communication called telemetry, or remote control, one can send wavelengths round trip to a brain transmitter in a person's head.
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依靠双向的无线电波传输的方式，叫做遥感勘测，或远程控制，一个能传送波长往返从一个人的头脑里到传输器。 |
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By means of variable frequency and adjustable speed, the variable air volume air conditioning automatic control system saves energy through setting different static pressure values in different time periods.
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变风量空调控制系统以变频调速为手段，分时段设定静压值以实现节能。 |
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By means of variational structure and Z2 group index theory, we obtain multiple solutions of boundary value problems for second-order ordinary differential equations and lower bound estimate for number of the solutions.
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摘要本文利用变分原理和Z2不变群指标研究了一类二阶常微分方程奇异边值问题的多重解，得出了这类解个数的下界估计。 |
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By measuring goaf gas concentration distribution in 3205 working face of Taopinggou coal mine, we initially identified gas concentration distribution rules in coaf of room and pillar working face, therefore provided scientific basis to prevent and cure ga
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摘要通过对桃坪沟煤矿3205回采工作面采空区瓦斯浓度分布的实际测定，初步查明了房柱式回采工作面采空区瓦斯浓度的分布规律，为今后此类工作面采空区瓦斯防治、防止采空区瓦斯事故的发生提供了科学依据。 |
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By measuring in transmission, rather than in reflection, it overcomes the limitation imposed by cable loss on the use of the switched reflectometer.
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该方法对传输信号而非反射信号的测量，克服了电缆线损耗引起的对交换反射计的使用限制。 |
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By measuring the BRDF of a kind of typical material-granite, sample's hemisphere reflectivity has been acquired and the law of its dependence on the zenith-angle and azimuth-angle variation has been studied.
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摘要对以大理石为代表的材料进行了双向反射分布函数测量实验，得出了样品的半球反射率，并研究了其随入射、反射天顶角等参数变化的规律。 |
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By measuring the ultraviolet-light-induced absorption coefficeint change, We believed that the ultraviolet-light induced absorption changes were ascribed to the generation of the small polarons O(superscript -) under the illumination of UV lights.
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通过对不同组份掺镁铌酸锂晶体紫外光致吸收的动态暗衰减过程的测量，我们认为掺镁铌酸锂晶体中紫外光致吸收的浅能级缺陷中心是O(上标-)小极化子。 |
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By measuring your body fat, you take the guesswork out of your health and fitness plan and you get an accurate picture of what*s really happening in your body as a result of your diet and exercise program.
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通过测量你的身体脂肪，你将从健康计划中剔除臆测，从你饮食及运动计划实施结果中，得到正确的、确实发生在你身体上的正确的情景。 |
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By meditation upon Light and upon Radiance, knowledge of the Spirit can be reached and thus peace can be achieved.
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由经深入返观内在的自性之光以及灵光的彻照，令意识扩展而证见真如体性之寂静。 |
