To get higher volumetric efficiency , the folded cavity has been applied in this type of laser 折叠腔技术应用于射频激励波导co _ 2激光器使激光器的功率体积比得到进一步增加。
Particles have greater penetrating power . a sheet of aluminium a few millimetres thick can stop them 它的体积比粒子细得多，穿透能力则比粒子强，需要一块几毫米厚的铝片才可以阻挡它。
Mix part a and part b separately and combine in the following proportions ; part a : part b = 1 : 1 by volume 各组分搅拌均匀，再将两组分按a组分： b组分1 ： 1 （体积比）混合，并搅拌均匀。
Particles have greater penetrating power . a sheet of aluminium a few millimetres thick can stop them 它的体积比粒子细得多，穿透能力则比粒子强，需要一块几毫米厚的铝片才可以阻挡它。
Mix part a and part b separately and combine in the following proportions ; part a : b = 4 : 1 by volume and stir well 各组分搅拌均匀，再将两组分按a组分： b组分4 ： 1 （体积比）混合，并搅拌均匀。
The keypad also provides the function of a calculator . q9 palm keypad is portable and compact in size 九方数字键盘外型美观，体积比现有的palm键盘细小，携带轻便，实在是palm用家不可或缺的恩物。
Mix part a and part b separately and combine in the following proportions , part a : part b = 3 : 1 by volume and stir well 各组分搅拌均匀，再将两组分按a组分： b组分3 ： 1 （体积比）混合，并搅拌均匀。
Mix part a and part b separately and combine in the following proportions ; part a : part b = 1 : 1 by volume and stir well 各组分搅拌均匀，再将两组分按a组分： b组分1 ： 1 （体积比）混合，并搅拌均匀。
Superconductivity - matrix to superconductor volume ratio measurement - copper to non - copper volume ratio of nb3sn composite superconducting wires 超导性.超导体体积比测量矩阵.铜与nb3sn复合超导导线的非铜体积比
Mix separately , then combine and mix part a : b = 2 : 1 by volume and stir well . mechanical mixing equipment is recommended 各组分搅拌均匀，再将两组分按a组分： b组分2 ： 1 （体积比）混合，并搅拌均匀，推荐使用机器搅拌。
