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- buoyancy density 浮力密度
- The density of population in this city is very high. 这个城市的人口密度非常高。
- To do this, the glider would contain a waxy gel that changes density under different temperature conditions, thus changing its buoyancy. 要达到这个目标，滑翔机将会包含一种蜡色胶体，能够在不同温度下改变密度，这样来改变它的浮性。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- To move with lightness and buoyancy. 轻快活泼地移动
- The state or quality of being light;buoyancy. 轻重量轻的状态或性质；浮力
- His personal buoyancy and vigour were a tonic. 他本人非常乐观，精力也很充沛，令人感到鼓舞。
- An Expression for Effective Buoyancy in Surroundings with Horizontal Density Gradients. 在水平密度梯度存在情况下有效浮力的表示。
- I take up my task with buoyancy and hope. 当我挑起这个担子的时候，我是心情愉快、满怀希望的。
- Abstract: A buoyancy method of measure diamond fi lms density was reported.Feature of the method is quick,convenient accuracy and practical. 文摘:本文报道了一种测量金刚石膜密度的浮力法。这种方法的特点是快速、方便、准确和实用。
- Each of the balloons has its own buoyancy. 每一个气球有它自己的浮力。
- We tested the boat for its buoyancy. 我们测试了这条船的漂浮能力。
- I take up my task in buoyancy and hope. 我精神振奋、满怀信心地承担起我的任务。
- The state or quality of being light; buoyancy. 轻:重量轻的状态或性质;浮力语源。
- Wear a life jacket or buoyancy vest. 穿救生服或者浮力背心。
- There was a buoyancy in their atmosphere. 他们的生活环境里有一种轻松愉快的感觉。
- But I take up my task with buoyancy and hope. 但是当我挑起这个担子的时候，我是心情愉快、满怀希望的。
- I admired his buoyancy and persistent good humor. 我很欣赏他轻松快乐的样子以及一贯的幽默作风。
- Many fishes have a float to help maintain buoyancy. 许多鱼类都有一个鱼鳔来帮助它们漂浮起来。
- Ordinary rocks don't have buoyancy. 一般的岩石是不具有浮性的。
