纳斯特

So long as your computer to do the basic security configuration, it is difficult to hackers through 4899 to control you.

所以只要你的电脑做了基本的安全配置，骇客是很难通过4899来控制你的。

As an important component of it,Aerodynamic property is the primary bases of ballistic curve calculation, load calculation,controlling parameter choice, the pushing force of engine choice and material choice,therefore, it is very important to researching the aerodynamic property .

气动特性作为其研究过程中的主要组成部分，它是进行弹道计算、载荷计算和控制参数选择、发动机推力选择、材料选择的原始依据。