一定的

Reliance on promise is one of legal behaved facts including done or undone based on some objective reality , on the faith in other people's promise naturally and the tenability of other people's legal behavior .

信赖是基于一定的客观事实基础，合理，善意地信任他人的允诺或者相信某法律行为成立或有效而为一定行为的法律事实。

At the same time, in the bargain , Chiang Kai-shek, to some extent, held the principle of territory and sovereignty, thus, expressed some national consciousness.

同时，在交涉中，蒋介石把握了一定的领土与主权的外交原则，表现出了一定的民族意识。

But with the great changing of the social circumstance, it shows high unfitness to change.

尽管在历史上这一制度发挥了一定的效能，但是随着社会的变革它显示出一定的问题。

So the article has some value in the science and engineering.

鉴于此，本文的研究具有一定的工程价值和一定的科学意义。

Summary : In recent years, there are more and more wastrels in every large city of our country, it has formed the civilized society and brought certain influence, through questionnaire investigation , have investigated wastrel's roam reason , had certain views on the wastrel after understanding people.

近年来，我国各大城市的流浪儿童越来越多，它结文明社会带来了一定的影响，经过问卷调查，考察了流浪儿童流浪原因，了解了人们对流浪儿童有一定的看法。

With the knowledge on the operation of water treatment system and relative equipment.

对水处理系统和设备的操作有一定的了解，具有一定的现场经验

Acetosalicylic acid could stabilize the structure and function of the membrane and accordingly promote the growth of aquatic plants.

而乙酰水杨酸能在一定程度上稳定膜的结构和功能，对水生植物的生长有一定的促进作用。

A gas,such as steam in the cylinder of asteam engine,has neither deftnite shape nor definite volume-it changes its sshape and also its svolume with change in the shape and volume of the container.

气体，例如蒸汽机汽缸中的水蒸气，既无一定的形状，也无一定的体积。

In recent years, some achievements in diatomite inorganic membrane have been acquired through researchers study in domestic and oversea. However, it is difficult to find a ideal way to prepare this kind of membrane.

近年来国内外对硅藻土型无机膜已有一定的研究，取得了一定的成绩，但至今还没有找到一种制备这类膜的理想方法。

The results showed that the Lactobacillus acidophilus played some roles in inhibition of common pathogens of cow endometritis and adhesion to cow endometrial epithelial cell.The optimal culture temperature was 39 ℃.The strain ...

结果表明该菌最适培养温度为39℃，在偏于厌氧的环境下生长最佳，在培养18~20 h后收获最佳，对奶牛子宫内膜炎常见病原菌具有一定的抑制作用，并与奶牛子宫内膜上皮细胞具有一定的黏附作用。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷