four的例句大全

Accumulation and metabolism of four~ ( 14) c-labeled pesticides by some marine animals

四种~（14）C标记农药在某些海洋动物中的积累和降解

Based on the relationship among each nutrient class in food web, they may primarily be divided into four nutrient classes, i.e., primary producer ( marine plants), phytophage animals and miscellaneous feeding habit animals, low and middle carnivorous animals, high class carnivorous animals.

根据食物网中各营养级的相互关系，初步划分为4个营养级，即初级生产者（海洋植物）、草食性动物和杂食性动物、低级肉食性动物和中级肉食性动物、高级肉食性动物。

The results show that there are four kinds of carbides in annealed state of the steel, and major portion of quenched martensite is lath-like martensite.

结果表明，该钢退火状态存在四种类型碳化物，淬火组织以板条马氏作为主。

The authors develop the TRIM program given by the Argonne National Laboratory and write four parts of programmes to solve the problem of picture output and the calculating problem of magnetic angle of elevation when it out of axis.

开发了美国阿贡实验室提供的解二维非线性静磁矢势偏微分方程程序TRIM，补充了四个程序段用以解决图形的输出和磁体轴线偏移光轴时磁仰角的计算问题。

Four types of abnormal ECG including sinus arrythmia ( 28.0%) sinus arrest ( 4.0%), sinus bigeminy ( 4.0%) and atrial flutter ( 4.0%) were showed in the Han-sheep with small-tail examined.

在被检小尾寒羊中发现窦性心律不齐（280%）、窦性停搏（40%）、窦性二联律（40%）和心房扑动（40%）四种异常心电图。

This topic devises a kind of four degree of freedom vision setting that basically satisfies the structure and functional demand for the vision of apery.

设计出一种四自由度视觉装置，基本满足仿人视觉的结构与功能要求。

Forty-five species, 23 families, 5 orders, visited the flowers, among which pollinating insects were bees with seven species of four families ( Apoidea, Hymenoptera).

在盛花期观察中，（1）发现有5目、23科、45种昆虫进行了访花，其中传粉昆虫4科7种，均属蜜蜂总科；

This paper firstly discusses those four affreightment businesses' concepts and characteristics, and emphasizes the question of apportionment of expenses so as to convenience the research later.

文章首先对这四种租船方式的概念、特征做了分析，并着重论述各项费用的分摊问题，以便为下面的研究打下基础。

Besides, several representative designs of four value counter are presented and its method can be applied to the design of arbitrary value counter.

此外，还介绍了几种具有代表性的四值计数器的设计，其方法可适用于任意值计数器的设计。

The result of factor analysis shows: the relatedness exists between structure factors of plant community, four factors contain 85% of information content: canopy, average high of arborous layer, density of arborous layer and underbrush character.

因子分析表明群落结构各因子间存在着相关性，其信息量的82.5%集中在四个主因子上，即：冠盖因子、乔木层高、灌木层性状及乔木层密度因子。

And divided the embryonic development into four main stages: Cleavage, the formation of archenteron notochord and coelomic mesoderm, the formation of embryonic membranes and the organo-genesis;

将胚胎发育主要分为4个时期：卵裂期、原肠脊索与体腔中胚层形成期、胎膜形成期和器官发生期；

According to the characters for technicality of the structural engineering construction and lessons of the architectural composition, the teaching methods and practice of "four points and one leading" are discussed.

根据土木工程施工专业的专业特色和房屋构造的课程特点，提出了四点一引导的开放式教学方法，同时介绍了其具体操作及实践效果。

The southern Ningxia ′ s arciform structure zone, extending 150~ 300km, consists of four great arcuate thrust nappe structural belts with a convex toward the northeast.

宁夏南部弧形构造带主要由四大弧形推覆构造带组成，总体走向NW，凸向NE呈弧形展布，延伸150km～300km。

In chapter four, the author puts forward multi-mode methods of improving transmission speed on the base of simulating the transmission capacity of armored cable in different working modes, and comparing advantages and disadvantages of these modes.

第四章仿真了七芯铠装电缆在各种工作模式下的传输性能，对比了各种模式的优缺点，进一步给出提高传输速率的多模式复用方法。

At the worst point, investors ran from all but four big global currencies: the dollar, the euro, the yen and the yuan.

在情况最糟的时候，投资者也不曾从四大全球货币–美元、欧元、日元、人民币中撤资。

And now that Alex Song fancies himself as an attacking midfielder, they could also use an anchor man to sit in front of the back four.

现在宋觉得自己是个进攻性的中场，所以阿森纳还需要在后四人之前再放一个人。

The ancient Greek philosophy gave us 3 traditions: atomology, axiomatic theory and four-factor theory.

古希腊人留给我们关于因果关系的三大传统：原子论、公理化和四因论传统。

The positioning of the talents is mainly on four directions: golf management personnel, golf athletic talent, golf course construction and lawn maintenance personnel and golf marketing personnel.

在人才培养的定位主要在高尔夫管理人才、高尔夫竞技人才、高尔夫球场建造与草坪维护人才和高尔夫市场营销人才四个方向。

He gave his son programming lessons on the family's Atari, and he bought each of his four children a computer.

他教扎克伯格关于雅达利（Atari）的程序编制并且为四个孩子分别配备了一台电脑。

The author thinks to assent to following four aspects to pledge in the realization way of higher education.

在高等教育的实现途径中，笔者认为应从以下四个方面保证。