为查明不凝气体对水平管外膜状凝结换热特性的影响规律，建立了水平单管的气、液双边界层模型。
Film condensation heat transfer characteristics are studied by numerical simulation for a single horizontal tube in the presence of a non condensable gas.
对于二元正态分布函数，仅需给定插值区域两边的双边界值，即可得到该区域上任意一点分布函数值。
With the given values of bivariate normal distribution function on the two biboundaries of a rectangular region, the values of distribution function on the rectangular region can be found.
采用目前美国国家海洋局（NOAA）推荐的双边界二分式条件价值评估方法，对北京市空气质量改善产生的健康效益进行评估。
The double-bounded dichotomous discrete contingent valuation method recommended by US NOAA was applied to evaluate health gains from air quality improvement in Beijing.
因此两国都承诺要修复边界问题并孕育更好的双边关系。
Both are therefore committed, as they claim, to fixing the border and fostering better relations.
双方就中越双边关系、两国边界领土问题，特别是海上问题全面、坦诚和深入地交换了意见。
Both sides exchanged views on China-Vietnam bilateral relations and boundary issues, especially the maritime issue in a candid, in-depth manner.
半个多世纪以来，中印两国纷争不断，双边关系起伏不定，其中1962年的边界战争曾使两国关系一度陷入僵局，1998年印度的核试验也导致两国关系前景低迷。
Since half a century ago, continued fights and quarrels led an unstable connection between these two countries. Frontier battle in 1962 and India's nuclear test in 1998 even made it worse.
半个多世纪以来，中印两国纷争不断，双边关系起伏不定，其中1962年的边界战争曾使两国关系一度陷入僵局，1998年印度的核试验也导致两国关系前景低迷。
Since half a century ago, continued fights and quarrels led an unstable connection between these two countries. Frontier battle in 1962 and India's nuclear test in 1998 even made it worse.
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