改进的蚁群算法对该模型进行优化计算，该船的中剖面纵向结构单位长度的重量减轻3.35%，结果表明蚁群算法是行之有效的。
It proved effective that the ant colony algorithm can improve the optimal design. As a result, the weight of the mid ship section structure in unit length may decrease by 3.35%.
基于米(长度)、克(重量)、秒(时间)和安培(电流)的一种测量单位公制系统。
A metric system of measurement units based upon the meter (length), gram (weight), second (time) and amperes (electrical current).
公制是基于以米为长度单位，克为重量单位，公升为容积单位的测量系统，它们都是十进位。
The metric system is the measuring system based on the meter for length, the gram for weight and the liter for capacity, which counts by tens.
定长制纱线细度是以纱线单位长度的重量表示的；定重制纱线细度是以纱线单位重量的长度表示的。
Direct yarn number is the mass per unit length of yarn; indirect yarn number is the length per unit mass of yarn.
米是长度单位，而公斤是重量单位。
A metre is a unit of length and a kilogram is a unit of weight.
米是长度单位，而公斤是重量单位。
A metre is a measure of length and a kilogram is a measure of weight.
米是长度单位，而公斤是重量单位。
A metre is a measure of length and a kilogram is a measure of weight.
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