The traffic organization is an important external condition of a huge palaestra to ensure the games normally carrying out.

提要大型体育场的交通集疏是保证体育竞赛正常进行的重要外部条件。

The carrying out credit system is a systems engineering, Involves to many factors, School internal condition and the social external condition are practice the credit system the premise.

推行学分制是一项系统工程，涉及到诸多因素，其中学校内部的条件和社会外部条件是实行学分制的前提。

Development is the target of in an attempt to of human society diligent not only, also be the daedal course that gets external condition to restrict.

发展不仅是人类社会孜孜以求的目标，也是受客观条件制约的错综复杂的过程。

The indicator system of exterior estimation on ecological status was regarded as external condition to reflect the actual changes in ecological development.

生态状况外在判断指标主要反映生态状况发展变化的客观条件。