①78÷4≈20;
②249÷5≈50;
③83×9≈720;
④71×8≈560;
故答案为:20,50,720,560.
ISO制定的公共管理信息协议主要是针对()模型的传输环境设计的。
You should comply ______ the terms of the Agreement.
A. for B. in C. to D. with