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- Keywords ethylene pyrolyzer;modification necessity;modification scheme and effect; 乙烯裂解炉;改造必要性;改造方案及效果;
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
- Food is a necessity, but wine is an extravagance. 食物是必需品,而酒则是奢侈品。
- She felt the necessity of accepting the invitation. 她感到必须接受这一邀请。
- This family is in great necessity. 这户人家穷困到极点。
- Automatic modification of the index register. 自动修改变址寄存器内容。
- We are now under the necessity of doing the work. 我们现在必须做这工作。
- He was driven by necessity to steal. 他迫不得已而偷窃。
- Necessity is the mother of invention. 需要是发明之母。
- The necessity for making decisions devolves on him. 作出决策乃当务之急，此事必然地落在他身上。
- By necessity; by force of circumstance. 强制地通过需要; 通过环境的力量
- The letter of intent is undergoing substantial modification. 意向书正在实质性内容方面进行修改。
- A critic is a necessary evil, and criticism is an evil necessity. 批评家是必然的邪恶，而批评是邪恶的必然。
- With the modification of his anger he could think clearly again. 他的怒气渐消，又能清晰地思考了。
- The law passed by Congress was a modification of the original bill. 国会通过的那项法律是原议案的修正稿。
- modification necessity 改造必要性
- The teacher urged on us the necessity of practice. 老师向我们强调练习的必要性。
- Television is considered a necessity by a lot of people. 许多人认为电视是一件生活必需品。
- Labour is not only a necessity but also a pleasure. 劳动不仅是人生所必需的，而且是一种乐趣。
- To make different by alteration or modification. 使差异通过变更或修改从而产生差别
