There are four emphases in -research, for instance, flow state in pipeline, distribution of concentration and velocity, deposition-limit velocity and calculation of flow resistance or head loss.
研究重点主要集中在管内流动状态、浓度和速度分布、临界流速及阻力损失计算四个方面。
Chapter four and five are the emphases of the paper.
第四、第五章是文章的重点。
Chapter four and five are the emphases of the paper.
第四、第五章是文章的重点。
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