A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.

一个有用的单位转换器可以帮助您日常计算，包括面积，密度，能源，力，长度，质量，功率，压力，速度，温度和体积的转换。

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A long-pulse laser, whose energy density can cause the liquid mass transferred, can get a greater ablation ratio and a hole with larger cross section.

能量密度达到造成液态质量迁移条件的长脉冲激光，可获得较大的烧蚀率和截面积较大的通孔。

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Using symmetric comb-type inner gate, the location and density of inner gates can influence the mass and energy distribution of melt during filling and solidification process.

采用对称结构梳状内浇口的同时要考虑内浇口分布位置及疏密，将直接影响充填及凝固过程中材料的质量、能量的均衡性。

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