做专门研究

1 . A few specialized articles and monographs concerning some Jesuit instruments have been published.

一些学者曾对传教士的某些仪器做过专门研究.

来自互联网

2 . Therefore. it is important to study method and measurement of knowledge gain and drain among enterprises.

因此, 研究企业之间知识流动的方式及其测度,成为当前研究的重点,本文就此做了一些专门探讨.

来自互联网