必要的例句大全

By discussion about a half-neutralization in an acid-base equilibrium, we reveal how the three connected species of acid system can coexist in solution with equal concentrations or percent of its conjugate base, and offer the method of preparation for this solution.

通过对鲜见报道的半中和酸碱平衡现象的深入讨论，揭示了相关三组分等浓度或等含量共存平衡的充分必要条件及相应的配制方法；

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Based on the findings, in order to further improve the status of our employment training system, and promote the building of the contingent of coaches and reserves basis, it is required to establish the preparation level employment training.

根据调查的结果，提出了预备级岗位培训建立的必要性，建议预备级培训的设置内容、培训方式，以进一步完善我国教练员的岗位培训体系，促进我国教练员基础队伍建设和储备。

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It's more likely that none of us start a conversation because it's awkward and challenging, or we think it's annoying and unnecessary ．

更可能的是,我们没有人开始交谈,因为这是尴尬和具有挑战性的,或者我们认为这是烦人和不必要的。

高考真题- 2018 全国2卷 阅读D

The Necessity and Calculation of Discharge Gas Cooler of Cascade Unit Low Stage

复叠机组低温机排气冷却器的必要性及计算

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The real shear rate makes up only about 35 per cent of the total apparent shear rate when shear rate is higher and capillary ratio of length to radius is lower. It shows clearly that the end correction is necessary when rheology parameters are discussed.

当切变速率较高，毛细管长径比较小时，真实剪切应力仅占表观剪切应力的35%左右，证明了毛细管流动末端校正的必要性。

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Then, introducing the basic principle of balanced scored card, and analyzing the necessity and the serviceability in our country Commercial bank achievements appraisal.

接着，介绍了平衡计分卡的基本原理，并着重分析了平衡计分卡运用于我国商业银行绩效评价的必要性和适用性。

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The purchases of bulk medical facilities are integrated projects including technique, finance, economy and management. In view of the characteristics of quick facility renewal and high cost, it is necessary to get facilities by financing tenancy except cash and credit.

大型医疗设备的购置是一项综合技术、财务、经济和管理的工程，鉴于设备更新快、成本高的特性，除考虑现金和信贷购买外，通过融资租赁的方式取得尤为必要。

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We analyze the ergodic capacity function by exploiting its property of schur-concavity, and develop a necessary condition for eigenvalues of the optimal input covariance matrix to characterize the properties of the transmit power distribution for achieving capacity.

我们通过平均信道容量函数的舒尔-凹性质对其进行分析，推导了最优输入协方差矩阵特征值分布的必要条件来刻画最优化的发射功率分配。

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Needless work, trouble, worry Make sb annoyed, bored or frustrated

不必要的工作、麻烦、烦恼.使某人烦恼、厌烦或灰心

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Carefully remove smaller edges or burrs on the chamfer of the crankshaft flange with an oilstone if necessary.

如有必要，请用油石仔细去除曲轴法兰倒棱上的小边或毛刺。

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A computer aided test system adopting advanced magnetic grating digital position transducer applied in dynamic test of pneumatic cushioning cylinder is introduced in this article. And necessary analysis of test results of various styles of cushion construction had been carried out.

介绍一种在缓冲气缸动态特性测试中所采用的先进的磁栅数字尺位移传感器-微机测试系统，并对一些不同装置的测试结果进行必要的分析。

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Analysis of the Necessity of the Third Market and Orientation of Its Development in the Economic Crisis

浅析经济危机中创建三板市场的必要性及其发展方向

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With the socialization of the process of accumulation of human capital and the diversification of the main body of investment, it is necessary to change the train of thoughts of the research on the human capital gain sharing.

随着人力资本的积累过程社会化、投资主体多元化，人力资本收益分配的研究思路有必要改变。

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So it's essential to develop file serving system in order to provide high-speed file reading and writing service.

因此，有必要开发专用的文件服务系统，为搜索引擎提供高速的文件读写服务。

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Consequently, it is not only a necessity for journalists to be engaged in research on news English, but also a benefit to English learners.

因此，研究新闻英语不仅对新闻学家必要，而且对于英语学习者也同样有益的。

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To the structure of the internal market as the standard, can be divided into wheel axis, multi-core type, mesh type, mixed type and intangible so five large factory-type model.

以内部市场结构为标准，可划分为轴轮式、多核式、网状式、混合式和无形大工厂式等五种模式。形成区域特色产业集群，是实现苏北新型工业化又好又快发展的必要选择。

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Due to the specialty of its conveying medium, we make some necessary transform during the designing of conveying screw.

由于输送介质的特殊性，我们在螺旋输送机的设计中进行了必要的改进。

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Finally, the governing equations of combined stress waves in elastic-plastic beam are also discussed.

此外，还对弹塑性梁中复合应力波的控制方程进行了必要的讨论。

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However, as it is impossible and also unnecessary for ordinary enterprises to keep too many cash assets, having a higher cash ratio is not the better.

但是一般企业不可能、无必要保留过多的现金资产，所以现金比率不是越高越好。

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The coupling of partial nitrification and anaerobic ammonium oxidation in a single reactor has been proved to be able to solve the problem of excessive nitrite accumulation, which could inhibit the bacterial activity.

而厌氧氨氧化与亚硝化在单一反应器中耦合也被证明能够解决亚硝酸盐氮过度积累导致细菌活性受抑制的问题，因此研究厌氧氨氧化菌与亚硝酸菌及其他异养菌的共存就非常必要。

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