1) second-grade achieving income
二级创收
1.
The second-grade department of the colleges and universities are using every kinds of resources actively to achieve second-grade income,it s significant to make up the educational funds and improve the process of the second-grade achieving income,and it is necessary for the colleges and universities to .
校内二级部门充分利用学校各种资源积极进行二级创收,在弥补教育经费不足、改善教职工的福利待遇方面具有积极意义。
2) two steps absorbers in series
二级连串吸收
1.
A selective absorption has been studied to separate the mixture gas of NH_3/CO_2=2(mol) by the two steps absorbers in series at high gas velocity, satisfactory separation was obtained.
用二级连串吸收器对 NH3 与 CO2 摩尔比为 2∶ 1的混合气体进行高气速选择性吸收 ,获得了良好的分离效果 ,二级吸收器出口气相 CO2 摩尔分率达 0 。
3) The secondary market of company of shell purchases
二级市场收购
4) convergent double series
收敛二重级数
6) hyper-exponent of convergence
二级收敛指数
补充资料：创收
①创造常规以外的收入：一年创收一百万。②也指创造的常规外收入：创收的一半用来奖励有功人员。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条