ratio的例句大全

The system changes the occupy-spatial ratio of the output PWM waveform ac-cording to the feedback voltage to keep the output voltage stable.

系统根据反馈电压及时改变输出PWM波形占空比，使输出电压保持稳定。

Combination with the design experience, the critical value depth-width ratio in the backward extrusion formation of rectangular shell parts is concluded.

结合模具设计的经验，推断出了反挤压成形矩形壳体零件的临界高／宽比。

Effect of air entraining agent on performance of EVB thermal insulation mortars with different mass ratio of aggregate to cement

引气剂对不同集灰比玻化微珠保温砂浆性能的影响

The results of the analysis and the simulation experiments show the use of hybrid buffer together with the improved first-fit-void-filling algorithm can greatly improve the variable length optical switch performance in terms of packet loss ratio and decrease the FDL number when the traffic load is high.

分析和仿真结果都表明，光电混合缓存和改进的FF-VF算法能改善可变长光分组交换在负载较高时的分组丢失率性能，并减少光纤延迟线的数目。

The ratio of gastric emptying dysfunction in 110 cases was 14. 5%, among 16 positive subjects domperidone was taked orally, FBH concentration descended remarkablely ( P < 0.05).

110例成人胃排空障碍检出率14.5%，对16例阳性者经吗叮啉治疗，空腹呼气氢浓度较治疗前显著下降（P<0.01）。

The whole crack parameter of bridges decreases, going along with the increase of depth-span ratio.

随着高 跨 比的增加,梁体整体裂缝程度呈减小趋势.

Application of lateral differential velocity ratio method to Tarim basin hydrocarbon exploration

LDVR方法在塔里木盆地油气勘探中的应用探讨

According to mechanical speed ratio and drawing process, the suitable speed signal transfer program is established.

根据机械速比、拉拔工艺确立合适的速度信号传递方案.

In order to evaluate precisely the surfaces formed from different machining methods, computers and admeasuring apparatus were used to collect the data of surface outlines and quantitatively calculate and analyze the outline expansion length ratio.

为了对不同机械加工方法形成的表面进行准确的评价，通过计算机和测量仪采集表面轮廓数据，对轮廓展开长度比进行了定量的计算与分析。

The higher the absorbance ratio of Bronsted acid peak to Lewis acid peak ( i.e.AB/ AL) measured by infra-red absorption spectrum, the higher is the catalyst activity. The results show clearly that the Bronsted acid plays a dominant role in catalytic cracking reaction.

用红外光谱法测定了Bronsted酸峰与Lewis酸峰的吸光度（A）的比值，发现活性高的催化剂，其A B/A L值也高，说明在催化裂化反应中，Bronsted酸起主导作用。

It is necessary to optimize the performance of a laser system design and to evaluate performance of the lasers system before its manufacture in order to maximize performance-cost ratio owing to its complexity and high expenses in manufacture.

但由于高能激光系统设计复杂，且造价高，需要在激光系统设计制造之前对系统性价比进行优化，并对系统性能进行评估。

Design and develop the device of motorcycle engine compression ratio measuring system . 5.

摩托车发动机压缩比测量装置的设计开发.

The lower content of β-carotene, leading to higher lycopene to β-carotene ratio, is probably responsible for the altered color phenotype in UV-C treated fruit.

β-胡萝卜素含量降低会导致番茄红素/β-胡萝卜素比例升高，这可能是UV-C照射樱桃番茄果实颜色表型发生变化的原因之一。

Kang Lai pointed out that currently, China's new AIDS cases made to the main sexually transmitted infection ratio increased year by year.

康来仪指出，目前，我国新发艾滋病病例以性传播为主，感染比例逐年上升。

However, it is the quick rise of bad loan ratio in the non-state-owned banks that increases the control cost of the non-state-owned banks. When control right of the non-state-owned banks is not worth the candle, local government cannot but exit from the local banking institutions.

但是地方政府干预下的非国有银行机构的不良资产率飙升，意味着地方政府对非国有银行的控制成本上升，当控制成本大于控制收益时，地方政府必然要从地方性银行机构退出。

There is a ratio of two boys to three girls in the club.

这个俱乐部里男孩和女孩的比例是二比三。

Objective : To explore mathematical relation of sensitivity and specificity, likelihood ratio, predictive value in diagnostic test.

目的: 探索诊断试验的灵敏度与特异度 、 似然比 、 预测值的变化关系.

However, the voltage welding has lower temperature peak value , wider welded seam, and smaller depth-to-width ratio.

而中压下电子束焊接时的温度峰值较低, 且焊缝较宽,焊缝深宽比较小.

So the ratio of the logs is just minus one.

所以这两个log的比是负一。

The survival rate among patients taking HAART treatment is up to 81.3%. One month after HAART treatment, a big increase of CD4 (+) cell counts and CD4 (+)/ CD8 (+) ratio was observed.

用HAART治疗的艾滋病患者其存活率为81.3%，经HAART治疗一月后，CD4+细胞数目及CD4+/CD8+比值均明显升高。