If a collection contains a bill of exchange payable at a future date and the collection instruction indicates that commercial documents are to be released against payment, documents will be released only against such payment. 如果托收包含有远期付款的汇票,而且托收指示表明应凭付款发放商业单据时,则单据只能凭该项付款才能发放。
That fixing exchange is not required if no specific instruction is given; 无特定指示时,无需固定汇率;
The effect of Computer Network on educators lies in its convenience to exchange academic intercourse, getting and issuing information about teaching and research, gaining all kinds of free software, making scientific investigations and receiving instruction through network. 计算机网络对于教育工作者的实际意义在于方便快捷的进行学术交流,获取和发布教学科研信息,免费得到各种正版的教学软件,进行科学调查和网上教育等。
So the author regard BLOG a platform for cooperative learning on the basis of its record and exchange characteristic, try the research of using BLOG to study the cooperative learning in the classroom instruction. 本人基于BLOG的记录与交流特性,以BLOG平台作为协作学习平台,尝试在课堂教学中应用BLOG开展协作学习的研究。
For example, teachers and students can share educational resources. Teachers and students can create a network of groups, through real names or anonymous exchange of equality, to conduct instruction and guidance. 比如:老师和学生可以分享教学资源,师生可以建立网络群组,通过实名和匿名的方式平等交流,进行教学辅导等。