因为有利于这两个国家间进行合作的几种因素都一直在起作用，他们之间才能够成功地达成科学技术合作协定。
The two countries could reach agreement successfully on scientific and technological cooperation because several factors favorable to their cooperation had been at work.
因为有利于这两个国家间进行合作的几种因素都一直在起作用，他们之间才能够成功地达成科学技术合作协定。
The two countries could reach agreement successfully on scientific and technological cooperation because several factors favorable to their cooperation had been at work.
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