一定的

The company has a certain size, strong technical force, advanced management, well-equipped, process improvement, production of bending machines, cutting plate machine, coiling machine excellent performance at home and abroad have a certain reputation.

公司具有一定的规模，技术力量雄厚，管理先进，设备齐全，工艺完善，生产的折弯机、剪板机、卷板机性能优良在国内外具有一定的声誉。

While a ball mill is working, balls in the mill are lifted, and then are thrown away with a certain velocity to collide raw material. But at the same time, balls and underboarding are also got collision which may make balls and underboarding fracture. Considering the tough lubrication condition and dust and prills have easy access to meshing zone of gears, the heavy abrasion on gear surface often appears in the upstage gear of open-gear transmission of ball mill.

当球磨机正常运转时，磨球被提升到一定高度后抛落，以一定的速度对物料产生冲击而粉碎物料，同时也对磨球和衬板自身产生冲击，这可能造成磨球和衬板的破球磨机的末级开式齿轮传动，由于润滑条件差，粉尘、金属颗粒容易进入啮合区，齿面常常出现严重磨损，导致齿廓形状发生变化，最后因齿厚磨损过多而折断。

Ever since the first person said and proved that the number of births or crimes is subject to mathematical laws, that certain geographical and politico-economical laws determine this or that form of government, that certain relations of the population to the soil lead to migrations of peoples—from that moment the foundations on which history was built were destroyed in their essence.

托勒美是古希腊学者、天文学家和地理学家，创立天动说。自从有人宣布和证明，出生率和犯罪率服从数学法则，一定的地理条件、政治和经济条件决定这种或那种管理形式，人口和土地的一定关系造成民族迁徙——从此，历史赖以建立的基础实际上被摧毁了。

You may be told to follow a neutropenic diet if your neutrophil count falls below a certain number.

当你的中性粒细胞低于一定的数值，你就需要服用&营养餐&直到你的细胞水平提高到一定值。

The film thickness and wool powder dosage also affected the moisture permeability rate of the PU film.

膜的厚度和羊毛粉体含量对膜的透湿量也产生一定影响，它们之间呈现一定的三维曲面关系。

It means that a writer's creation should keep a definite distance from the object of creation. Because of it, the writer can touch and feel the characteristics of the object.

疏离感也就是指作家创作应该与创作对象保持一定的距离，只有一定的距离，才能感触到对象的特征。

The option to buy or sell a specific asset, such as a block of stock, at a predetermined price before a certain date.

买卖选择权：在一定日期前以预定订立的价格买卖一定的物品的权利

For managing the central bank raised interest rates, whether developers or intermediaries, are in line judge said: the short term, interest rates will certainly甬城the property market on consumer demand brought about by a certain impact, but the extent of its influence in the end how much the market has yet to be further examination.

管理中央银行提高利率，无论是开发商或中介机构，是一致的法官说：短期内，利率一定会甬城房地产市场的消费需求带来了由一定的影响，但其影响程度，最终有多少市场还有待进一步检验。

Although China joined the World Trade Organization needs to pay a certain "entry fee", this may have some temporary negative impact.

尽管中国为加入世界贸易组织需要付出一定的&入门费&，为此可能产生一定的临时性的负面影响。

There was genetic differentiation among the populations and these differentiations were related with their environments.

结果表明，2种豚草种群内遗传变异丰富，每个形态性状均具有丰富的多态性，种群间存在着一定的遗传差异，且这些差异与其生态环境有一定的关系。

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