The salt water, being more dense, flows upstream under the fresh water which is flowing downstream . 淡水在上层向下流动，比重更大的盐水在下层逆流向上。
Fire was responsible for much of the damage and loss of life in the lisbon earthquake of 1755 . 1755年里斯本地震中，火灾对生命和财产造成的损失占很大的比重。
Increasing the military share of the gross world product has been possible only by reducing civilian consumption . 要提高世界总产值中军费的比重，就只能削减居民的消费。
The specific gravity of a material is the ratio of its density to that of water and is therefore a pure number . 物质的比重指的是物质的密度与水的密度的比值，所以是纯数。
The clinician is best guided by evidence of a water diuresis as indicated by observation of the urine specific gravity . 临床上最好的办法是通过观察尿的比重作为水利尿的指示。
The nature of sand movement depends on the particle size, shape, and specific gravity in respect to the associated velocity and turbulence . 泥沙运动的性质取决于颗粒的大小、形状和比重并与流速和紊动有关。
The lighter rare-earth metals, from cerium to europium in the first half of the series, have more complex crystal structures than the heavier elements . 轻的稀土金属，从铈到铕的前一半序列比重元素具有更为复杂的晶体结构。
To do this, we weight the hourly wage for each grade by its proportion of the total labor required to produce the product . 为此，把每一等级的小时工资，以生产这种产品所消耗的该等级劳动量占总劳动量的比重为权数，进引加权。
The lighter rare-earth metals, from cerium to europium in the first half of the series, have more complex crystal structures than the heavier elements . 轻的稀土金属，从铈到铕的前一半序列，比重元素具有更为复杂的晶体结构。
A large and growing proportion of such aid, currently about 50 percent, goes to finance programs specially aimed at helping the rural poor . 这类援助的很大比重（目前约占50）被用于专门帮助农村穷人的规划，而且这一比重还在增加。
