有必要进行

• All these cannot adapt to the development and practice of the corporation . there is increased need for the study of the modification in a systematic and specific way
  理论界尚未对公司章程的变更予以系统地论述，仅是关于公司章程变更的某个问题进行一些探讨，因而有必要进行系统研究。
• Was necessary because over the past 15 years grasses and other vegetation had encroached onto the main water body from the edges and silt had built up on the floor of the pond
  过去15年，由于杂草和其他植物从边缘入侵基围并继续生长，而塘底的淤泥亦不断堆积，故此有必要进行基围翻新工程。
• So it is necessary to carry on the following work : structures are designed according to code 89 , 01 and be compared ; 89 , 01 normal structure antidetonation performance designed is compared with
  因此有必要进行如下工作： 89 、 01规范设计对比； 89 、 01规范设计的结构抗震性能对比。
• To determine whether these variations in seismicity levels are random fluctuations or real physical phenomena , objective testing of unambiguously stated hypotheses is required6
  为确定地震活动性中的这些变化是否是随机偶然的波动，还是真实的物理学现象，对不含糊指明的假说有必要进行有目标的试验90 。 ”
• As the envidences accumulated , the experts in the zoo felt obliged to make an investigation since the description described by the people who claimed to have seen the puma are extraordinarily similar
  随着证据越来越多，动物园的专家们感到有必要进行一番调查，因为凡是声称见到过美洲狮的人们所描述的情况竟是出奇地相似。
• From the point of view of theory , motion capture data is a new type of information carrier , so it is necessary to research on data capturing , processing , analysis , storing , browsing and transferring
  在理论方面，运动捕捉记录下的数据是一种新的信息载体，因此在数据的获取、处理、分析、存储、检索、传输都有必要进行深入研究。
• Respect to the development and state of art of concrete slab - faced rockfill dam , this thesis point out that the rheology of rock - fill should be studied not only in the application aspect , but also in the theory itself
  本文根据混凝土面板堆石坝的发展历程与研究状况，指出堆石流变无论是实际应用还是理论分析都有必要进行深入的研究。
• It is worthy to analyze systemically what is the characteristic in internal force combination or reinforced design to frames of two regions and what is the difference in results while taking 7 , 8 and 9 regions into account
  对应于这两个区的框架结构在内力组合以及配筋上有何规律，与设防烈度为7 、 8 、 9度时又有什么不同，有必要进行系统的分析和对比。
• The results show that in eurocode 2 part 1 the formula , which can be used to calculate the strength capacity of the reinforced concrete beam under the above - mentioned complex mechanical state , is conservative and should be revised
  试验实测表明，欧洲规范2第1部分中用于计算弯、剪、轴拉复合受力钢筋混凝土梁承载能力的公式过于保守，有必要进行修正。
• However , in south asia , most farmers grow two or even three crops per year on their land and so it is necessary to take future yield maximization research one step - further so that information can be obtained on maximum yields for a cropping pattern
  但在南亚，大多数农民一年种二到三季，因此有必要进行进一步的最高产量研究以获得整个种植制度最高产量的资料。