elementary 四级考研雅思托福

elementary arithmetic

初等算术

elementary substances

元素

an elementary problem in statistics.

统计的基本问题

the elementary rights of citizenship.

公民的最基本权利。

the elementary grades; elementary teachers.

；教师

elementary, secondary and higher education

初等、中等和高等教育

a nongraded elementary school.

一所不分年的初校

an elementary need for love and nurturing.

爱和抚育的基本需要

exotic elementary particles as yet unknown to science.

科界还不了解的基本异粒子。

an elementary reading book for a child who is learning to read

为识字儿童编的初读物

Most children go to public elementary and secondary schools.

大多数孩子上的是公立和公立中。

Their course of study includes elementary hygiene and medical theory.

他们的课程包括基础卫生和医疗知识。

His classmates were labouring with elementary algebra.

他的同们正在绞尽脑汁地演算初等代数题。

the six stages take students from elementary to advanced level.

这六个阶段能使生从初升入高。

I always use my clients' products. This is not toadyism but elementary good manners.

我总是客户的产品。这并不是谄媚奉承，而是良好的基本态度。

Let G be an infinite group. If G has a normal elementary abelian subgroup, then G is irrecognizable.

设G是无限群,若G存在正规初等交换子群,则G是不可分辨的.

The photoinitiator α dimethylamino 1 〔4 (4 morpholinyl)〕phenyl 2 benzyl 1 butanone was prepared.Physical property and structure of the compound was identified by IR,UV,elementary analysis and etc.

制备了光引发剂α二甲氨基1〔（4（4吗啉基）〕苯基2苄基1丁酮。IR，UV，元素分析等方法对该化合物的结构和物理性质进行了测定。

The Jiangdu student extracurricular activity Practice Base is open to the whole city elementary and middle school students, Practice Base area 50 Chinese acres, outside locellus thalamium two bulks.

江都市生校外活动实践基地对全市中生开放，实践基地面积50余亩，分室内室外两大块。

In this paper a theory of photon structure is proposed using the elementary quantum theory.It is thinked a photon consists of the positive and the negative photinos ε+ and ε-.

本文利初等量子理论提出了一种光子结构模型，认为光子由正负光微子ε+和ε-组成，并利此模型解释了一些经典光现象.

Nonnatural amino acid 3-(4-thiazolyl)-D,L-alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR,NMR,elementary analysis and melting point.

合成了非天然氨基酸3-(4-噻唑基)-D，L-丙氨酸盐酸盐以及三个中间体，其结构分别通过红外光谱、核磁共振、元素分析、熔点等测试手段得到确证。