一定的

There is a surcharge for excess baggage.

行李超重要交一定的附加费。

People on parole must follow certain rules.

被假释的人必须遵守一定的规定。

Certain grammatical rules must be followed when describing a conversation in reported speech.

在转述对话时必须遵循一定的语法规则。

It is a constant condition that line conation Tsutomu's obtains that should be had.

行为能力的取得必须有一定的 条件。

The deer did not trust us and kept their distance.

鹿不相信我们，和我们保持一定的距离。

Proper education will equip one for a job.

接受一定的教育就使就业的能力。

She angles her reports to suit the people she is speaking to.

她带着一定的倾向性作报告以迎合她的听众。

The cement anthraxolite and the squama anthraxolite are most important to this deposit.

浸染状碳沥青多属于原生沉积碳沥青，对矿床的形成起一定的还原沉淀的作用。

We apply ourselves to design and make wonderfull productions in flocky toy domain all along.

广州妙智玩一直致力于毛绒玩领域的设计开发制造，在玩界享有一定的声誉。

Generally eastern swords tend to be curved eg Yatagan, Shamshir, Mameluke Sword etc.

说东方的刀剑倾向于有一定的弧度，如土耳其弯刀、伊朗剑、马木努克式剑。

The task needs the skills of a suitably experienced engineer.

这项任务需要有一定经验的工程师的技能。

The government exacts taxes from every wage earner above a certain level of income.

政府向每个工资收入超过一定水平的人征税。

The people of the afflicted areas are certain to need our help.

灾区人民一定需要我们的帮助。

The hyphae of certain fungi (e.g.Mucor) are positively chemotropic, growing toward a particular source of food.

某些真菌的菌丝（毛霉Mucor）是正向性的，向着一定的食物源生长。

The conversion film is probably constituted of amorphous and pored alloying tannate chelate.

这种转化膜很可能是由有一定孔隙的非晶态合金单宁酸膜层构成.

Besides sapphire, zircon and almandine are produced in Minxi, Fujian, which form gem mineral association.

除蓝宝石之外，该矿床还产有锆石，镁铝榴石，形成一个有一定规模的宝石矿物组合。

Conclusion Sauropus androgynus has certain genetic toxicity of chromosomal aberration induction and its molecular mechanism needs further investigation.

结论守宫木有一定的诱发染色畸变的遗传毒性。

Parcels must be properly bound up for posting to other countries.

寄往国外的包裹一定要包好。

A wilful man will have his way.

意志坚定的人一定有办法。

Some work about transient temperature, thermo-elastic stress of aeolotropic material has been done in this thesis.

本文对各向异性材料的瞬态温度场、弹性热应力问题从理论到计算做 了一定的工作。