By means of a population synthesis code, we have carried out a theoretical study of semi-detached symbiotic stars, detached symbiotic stars and D-symbiotic stars.
利用星族合成方法，我们分别对半相接共生星、分离共生星和d -型共生星作了理论研究。
For promoting energy economy and environmental protection in refrigeration system, Alfa Laval has developed new version of Semi-welded plate heat exchangers by continuous R&D.
为促进制冷系统的节能环保，通过不断的研发改进，阿法拉伐公司研制出的新一代半焊式板式换热器。
The R & D work in these countries has proceeded from the laboratory bench scale with big progress in semi-industrial test to the stage of the building of a demonstration plant.
从中可见在这些国家中实验室规模的研究业已完成，半工业化试验也有很大进发，开始进入筹建示范电厂的阶段。
Based on the conversion of these organic and inorganic matters staying at the port, a 3-d model is established to simulate the distribution of COD concentration in the semi-enclosed port.
本文根据滞留在港内这些有机物及无机物的转换，建立了模拟半封闭性港口COD浓度分布的三维数值模型。
Based on the conversion of these organic and inorganic matters staying at the port, a 3-d model is established to simulate the distribution of COD concentration in the semi-enclosed port.
本文根据滞留在港内这些有机物及无机物的转换，建立了模拟半封闭性港口COD浓度分布的三维数值模型。
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