principal 四级六级考研GMAT

The school principal welcomed the students during morning assembly.

校长晨会上欢迎学生。

The two principal political parties have combined to form a government.

两个政党已经联合起来组成政府。

Drinking is a principal cause of highway deaths.

酗酒是公路死亡事故最原因。

Methazolamide eye drops was prepared using inorganic nanoparticles as carrier and methazolamide as principal agent.

制备醋甲唑胺滴眼液并建立其质量控制方法。

He is one of the principal movers and shakers in the political arena.

他是政界一个有权有势人物。

The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included.

给出了甲酸钠法反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量测定作了简单介绍。

The principal spoke with disapproval of your words and actions.

校长谈到你言行时很不赞成。

The principal issues in dispute concern the duration of the future treaty.

有争议问题牵涉到将来条约期限。

The teacher conferred with the principal about Dick's promotion.

教师与校长商谈了迪克升级问题。

Hydrous desmocollinite and exinite in coal are the principal material for hydrocarbon generation.

另外，本文提出了煤有机地化参数类比系数法，并对煤生烃潜力进行了评价。

An auxotroph requires, in addition to the principal carbon source, one or more organic nutrients.

缺陷营养生物除需碳源外，还需一种或几种有机养料。

Their school gave a reception to their new principal.

他们学校为新校长举办了一个招待会。

A spitball hit the principal on his nose.

一个纸团飞过来打校长鼻子上。

There was no school play because the principal withheld his consent.

由于校长没同意, 学校里没有举行比赛。

He is the principal of this school.

他是该学校校长。

The judge examined the principal witness.

法官询问了证人。

There is a shortage of principal.

资金有些短缺。

The day before my graduation from Soldan High School in St.Louis, the principal called an assembly.

"我们从St LouisSoldan高中毕业前一天，校长召集我们集中。

Burma (Myanmar) and Guatemala are the principal sources of modern gem jadeitite, and Canada of modern lapidary nephrite.

缅甸和危地马拉是现代翡翠产地，而加拿是现代宝石产地。

The principal of wavelet denoising is introduced and the replicability of GPS multipath effect in dynamic environment is discussed firstly.

介绍了波滤波去噪原理并讨论动态环境下GPS多路径效应重复性问题。