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

行的取得必须具有一定的 条件。

A qualified stenographer is not necessarily a competent secretary.

一个合格的速记员不一定就是个称职的秘书。

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。

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

这种转化膜很可是由有一定孔隙的非晶态合金单宁酸膜层构成.

May I suggest Vinnie's hot dogy stand at the corner? He cooks to order.

我推荐转交的文尼热狗小摊，他一定会听你的。

Great fun for both solitaire players and cribbage lovers!

非常有趣的球员都和cribbage纸牌戏爱好者！Extensive cribbage scoring help available - will definitely improve your cribbage skills.广泛cribbage提供得分帮助-一定会改善您的cribbage技。

We must base ourselves on the interests of the people.

我们一定要从人民的利益出发。

People on parole must follow certain rules.

被假释的人必须遵守一定的规定。

You should get his promises in writing.

你一定要得到他的书面许诺。

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

寄往国外的包裹一定要包好。

My address is No 22 Laburnum Close so his must be No 26.

我的地址是拉布耐姆巷22号, 所以他的地址一定是26号.

There is a surcharge for excess baggage.

行李超重要交一定的附加费。

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。

For the apolar compounds, the derivatization was not necessary.

非极性化合物，不一定要进行这样的衍生化。

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

浸染状碳沥青多属原生沉积碳沥青，矿床的形成仅起一定的还原沉淀的作用。

A boat must be made of buoyant material.

船一定要用有浮的材料来做。

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。

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

总体来说东方的刀剑倾向具有一定的弧度，如土耳其弯刀、伊朗剑、马木努克式剑。

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

在转述话时必须遵循一定的语法规则。

The reactor has some zymogen and acetogen, but no methanogen bacteria.

反应器中有一定量的发酵菌和产乙酸菌，但无产甲烷菌。