four的例句大全

A four-cornered sail hoisted from a yard that is oblique to the mast.

从院子里升起来的相对于桅杆是倾斜的四角的帆。

Duplex four-cornered steam-driven reciprocating compressor

双列四缸对置式蒸汽驱动往复压缩机

For it is the nature of a log or stone to remain motionless on level ground, and to move when on a slope; if four-cornered, to come to a standstill, but if round-shaped, to go rolling down.

木石的性情是处于平坦地势上就静止不动，处于陡峭的斜坡上就滚动，方形容易静止，圆形容易滚动。

Partial correlation coefficients between four factors and yield are all positive.

4个因素与产量的偏相关系数均为正值。

The flexural problems of orthotropic rectangular plate with four free edges rested on elastic foundation have been discussed in this paper and analyzed by the Fourier trigonometrical cosine series and double trigonometrical cosine series.

本文利用Fourier双三角余弦级数和单三角余弦级数，讨论和分析了弹性地基上四边自由正交各向异性矩形板的弯曲问题。

Four kinds of discrete transform principal component regression methods were established by combining wavelet packet transform, wavelet transform, Fourier transform and discrete cosine transform with principal component regression. Calculating programs were designed to perform the calculation by discrete transform principal component regression methods.

将离散小波变换、小波包变换、傅里叶变换和离散余弦变换与主组分回归方法结合构成4种离散变换主组分回归方法，编制了离散变换主组分回归方法的计算程序。

The Generation of Cosine Pulse Signal with Four Phase Codes

余弦脉冲四相码信号及其产生

Thesis analyses deeply the above mentioned four sources and their characteristics respectively from the aspects of cost distribution, human egoism, scientific and technological alienation and the accelerating role of politics for the use of disaster causing technology.

主要从市场的成本分摊性、人类中心论、科技异化以及政治对致毁性技术应用的加速作用分别对上述四种根源及特征进行了深入分析。

The content of non-basic nitrogen compound, is 3-5 times more than that of basic nitrogen-compound and the percentage of distribution of nitrogen-compounds in the four types of catalytically cracked diesel fuel are about the same.

中性氮化物约为碱性氮化物的3～5倍。四种催化柴油中各氮化物类型占总氮的相对百分数基本上在同一水平。

As previously teased, this werewolf Raoul may not be free to cozy up to Sookie on season four because a new master will come on board.

之前有爆料说由于在第四季中狼人Alcide将会迎来一位新主人Raoul，所以他不能自由的对Sookie表达自己的爱意。

The inner workings of inkjet printer continues to be the four color mode.

喷绘机的本质工息模式还来是四色不圆法.

Among the four the building hedges structure parts: Doors and windows, wall body, roof covering, the floor, the windows and doors heat insulation which is the main factors of the indoor thermal environment and energy-saving construction is worst.

在建筑围护结构的门窗、墙体、屋面、地面四大围护部件中，门窗的绝热性最差，是影响室内热环境和建筑节能的主要因素。

○ 3 In operating characteristic test, the BF influent is roof covering and drive training area runoff during four rainfalls.

○3运行特性试验收集了四场降雨中屋面和练车场路面混合径流为进水，研究生态滤沟处理实际降雨径流的运行特征及存在的问题。

Four-bar Linkage Designing and Coupler Curve Redemonstrating

平面四杆机构连杆轨迹复演及设计

Methods: According to the four standards of the safety, broad-spectrum, relatively unexpensive and unsubstituted, letter-investigations were carried out among 79 county family planning clinics in 24 provinces of the country.

方法：按照安全性、疗效广谱、药价相对低廉、难以替代4项标准，采用函调方式，在全国24个省份所涉79个县级计划生育服务站中进行。

Job Costing method is consist of four basic elements, namely resources, jobs, cost objects and cost drivers, the basic idea of job costing method is jobs consume resources, products consume jobs.

作业成本法由四个基本要素构成，即资源、作业、成本对象和成本动因，作业成本法的基本思想是作业消耗资源，产品消耗作业。

The List interface provides four methods for positional ( indexed) access to list elements.

List接口提供了一些通过下标访问列表元素四个可选方法。

After removal of four points with discrete tendency, monitoring data is divided into six types, among which 2/ 3 is selected as learning sample and the rest as check sample.

最后运用聚类分析法、主成分分析法去除了监测数据中有离群趋势的4个点，将监测数据分为6类，从每类中选取2/3作为学习样本，其余数据作为检验样本。

A newly-wed bride and four friends were killed.

事故造成新婚的新娘和4名友人死亡。

There are four options as to which method ( s) of calculating alkalinity are used to analyse or check a sample.

测算碱度的方法常常用于分析或检查样品，有四个种方法。