Traditional way is a waste of human resources and time, and it is complicated and often runs with mistakes.
传统的手工管理方式不但浪费人力、时间，而且管理复杂， 易出差错。
Although it is complicated in technology, space-based interception, which can intercept a target in any low, middle and high orbit, has more strategic value than ground-based interception.
天基拦截尽管技术复杂，但是可以拦截低、中、高轨道目标，比地基拦截更具有战略价值。
Nevertheless, it is complicated in mechanism and is difficult in the calculation of aero - dynamic design, and thus it is necessary that the design parameters should be optimized with carefulness.
但它的作用机理比较复杂，气动设计计算难度较大，需要仔细地优选设计参数。
It is complicated to use CRM and difficult to improve working efficiency.
CRM使用较复杂，难以提高工作效率。
The Operable Framework Research of Chinese Environment Statistical Indicators Abstract :It is complicated …
我国环境统计指标框架的可操作性研究。
It is complicated to compute ambiguity function of frequency hop code signal and difficult to draw the ambiguity figure.
跳频编码脉冲雷达信号模糊函数的计算十分复杂，模糊图绘制非常困难。
It is complicated and difficult to recognize the satellites merely through stars' characteristics because the satellites traced are always surrounded by a large number of stars.
欲跟踪的卫星目标往往湮没在星海中，仅仅依据星体特征检测出目标往往很繁琐也很困难。
The enrollment of institutes for higher physical education is an important part of national college entrance examination. It is complicated, difficult and also the focus of society.
高等体育院校招生考试是全国统一考试的重要组成部分，且工作环节多，难度大，也是社会关注的热点。
The enrollment of institutes for higher physical education is an important part of national college entrance examination. It is complicated, difficult and also the focus of society.
高等体育院校招生考试是全国统一考试的重要组成部分，且工作环节多，难度大，也是社会关注的热点。
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