elementary arithmetic
等算术
elementary arithmetic
等算术
elementary substances
元素
an elementary problem in statistics.
统计基本问题
the elementary rights of citizenship.
民最基本权利。
the elementary grades; elementary teachers.
班级;教师
elementary, secondary and higher education
等、中等和高等教育
a nongraded elementary school.
一所不分年级级校
an elementary need for love and nurturing.
爱和抚育基本需要
exotic elementary particles as yet unknown to science.
科界还不了解基本异粒子。
an elementary reading book for a child who is learning to read
为识字儿童编级读物
Most children go to public elementary and secondary schools.
大多数孩子上是和中。
Their course of study includes elementary hygiene and medical theory.
他们课程包括基础卫生和医疗知识。
His classmates were labouring with elementary algebra.
他同们正在绞尽脑汁地演算等代数题。
the six stages take students from elementary to advanced level.
这六个阶段能使生从级升入高级。
I always use my clients' products. This is not toadyism but elementary good manners.
我总是用客户产品。这并不是谄媚奉承,而是良好基本态度。
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存在正规等交换子群,则G是不可分辨.
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。用IR,UV,元素分析等方法对该化合物结构和物理性质进行了测定。
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-.
本文利用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,并利用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。
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