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- density of lines of force [电] 力线密度
- density of line of magnetic force 磁力线密度
- Magnetic lines of force do exist though invisible. 磁力线虽然看不见，但确实存在。
- The lines of force of a magnetic field. 磁力磁场的磁力线
- Down the lines of force he plunges, until he is on the surface. 他扎进了一条能量线，直达地表。
- Number of lines of the current screen. 当前屏幕的行数。
- The number of lines of printed or written material. 印刷物或书写材料表面的行数
- Statement blocks are made up of lines of code delimited by colons. 语句块由冒号分隔的代码行组成。
- You have chosen the wrong direction of the magnetic line of force. 你把磁力线的方向弄反了。
- In chapter two, a set of contradistinctive analyses between the domestic and the overseas are carried out at aspects of equipment, density of line net, build cost and so on. 第二章主要是从设备、线网密度、建设成本等六个方面对国内外城市轨道交通进行了一个对比分析；
- No lines of force originate or terminate in the space surrounding a charge. 在电荷周围的空间内，并没有电力线的起点或终点。
- Hence only one line of force can pass through each point of the field. 因此电场中任一点只能通过一条电力线。
- Early in the evening peak period of work, increased focus on timely sections of lines of police vehicles patrolling density. 在早中晚上下班高峰期，适时增加重点路段、线路的警车巡逻密度。
- Expansion joints of linings of vari-ous types of heating equipment. 各种热工设备砌体的膨胀缝；
- The density of population in this city is very high. 这个城市的人口密度非常高。
- A changed particle moves along the lines of force of a magnetic field, spiraling as it goes. 带电粒子沿磁力线运动时就会发生回转。
- 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。
- The kinematic density of pairs of lines 线偶的运动密度
- distribution of lines of force 力线分布
- The magnetic lines of force are in effect glued to the interstellar gas, and they follow the clouds in their capricious motions. 磁力线实际上是紧附在星际气体上，并跟随星际云一道作着变化莫测的运动。
