查询词典 minimum margin

Remember that your standard export ex factory price will be increased by your customer's costs for transport, insurance, import duties, and a mark-up percentage for their cost of doing business and their profit margin.

信用证是有条件的银行担保，是银行应买方的要求和指示保证立即或将来某一时间内付给卖方一笔款项。

The delay stability margins of two test systems at typical equilibrium point are obtained through this method. The effect of exciter parameters on delay stability margin is also discussed. Time domain simulation results and comparison with other methods show that this method is simple and effective.

利用该方法得到了测试系统的时滞稳定裕度，并且研究了励磁系统参数的变化对系统时滞稳定裕度的影响，最后通过与其他方法的比较和时域仿真验证了该方法的有效性。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

The mathematics teachers in high schools are not only the guarantee of the smooth implement of mathematics course standard but also an executant of the foundation course reform .But a big margin exists between the roles of the mathematics teachers in high schools of the course system and the expectation of the new course. So it is very necessary to relocate the role of the mathematics teachers in the new course.

而中学数学教师不仅是数学课程标准顺利实施的保障者，同时又是基础教育改革的实践者，但是现行课程体系下中学数学教师的角色形象与新课程的期望之间存在着较大的差距，因此重新定位中学数学教师在新课程中的角色是非常必要的。

Typical tumor appears as an eccentric, lobulated margin, slight expansile, ground-glass lesion without reactive sclerosis or periosteal reaction, on plain films.

民国72年至76年期间，本科共收集7例长骨骨化性纤维瘤病例，除1例出现於肱骨，其余都是在胫骨。

In particular ,criticizing " Dream of the Red mansions " of a text by the method of Experimentalism had created a new school for the study of "Dream of the Red mansions"; Criticize of a text " the Water Margin " with method of history, conclusion that income produce still nobody surmounts so far.

尤其是用实验的方法考证《红楼梦》，开创了一代新红学；以历史的方法考证《水浒传》，所得出的结论至今仍为学界所认同。

Participation in the Stock Exchange issued a notice measurement firms, the explicit reference to various types of financing margin trading and securities transfer, the customer credit account with the Securities and pin No.

在交易所发出通知参加测试的企业，明确提及融资保证金交易和证券转让各类客户的信用账户与证券及引脚号与有关保证金融资，清算资金交易的利益保证金交易结算，市场和关闭后数据接口测试，证券保证金融资机构，例如实时功能测试，6个测试的内容。

Such externalization of costs significantly reduces the costs of raw materials to given producers and hence increases the margin of profit.

这种成本外部化显著降低了特定生产者的原料成本，并提升了利润差额。

This will give you an extra margin of safety.

这将给你一个额外的安全度。

Realizes the automation operates, dissolving the factitiousness operate with read the few error margin.

实现了自动化操作，消除了人为操作和读数误差。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。