At last, the methods of numerical computation and numerical simulation were used to makeanattempton the shaped charges formation and penetration.
最后用数值计算和数值模拟的方法对射流的形成及侵彻过程做了初步的尝试。
2
Knowing strengths and weaknesses, learning from mistakes, and constantly striving to build on what you have in anattempt to make yourself better.
知道自己的优势和劣势，从错误中学习，不断努力尝试使自我进步的方法。
3
Most biologists now accept that the tree is not a fact of nature - it is something we impose on nature in anattempt to make the task of understanding it more tractable.