四倍的

By reducing multiplication and division operation, the simplified algorithm can reduce the measurement time.

研究基于光电编码器和四倍频电路的单片机速度测量系统的简化算法。

The varieties of sorghum which were diffused through the Islamic world after the Arab conquests appear to have come from India, since they were all the tetraploid Sorghum durra , which was developed in the sub-continent.

阿拉伯人占领此地区后，在伊斯兰世界扩散的高粱品种似乎是来自印度，因为它们都是生长在南亚次大陆的四倍体高粱。

So far, he says, developing episodic games seems to be about four times more productive than developing traditional games.

到目前为止，章节游戏开发的效率看似传统游戏的四倍之多。

By exciting an even parity quadrupole mode (the m=0 low-lying mode), it is found that there is a transfer of energy to a mode at twice the original frequency (the m=0 high-lying mode).

通过激发一个低能态偶宇称的四极子模，发现在该模和频率为该模两倍的高位模之间存在能量转移。

The price of gasoline has increased fourfold over the past two years.

在过去的两年时间里，汽油价格增加到原来的四倍。

After five years, those women had a fourfold higher risk than average women of developing breast cancer.

五年后，研究人员发现这些女性患乳腺癌的风险达到了普通女性的四倍。

China's economy has expanded fourfold since 1980, showing China's outstanding ability to handle changing circumstances of economy.

我国的经济从1980年以来增长了近四倍，显示出中国在经济方面随机应变的非凡能力。

Great Salt Lake, which is about four to five times as salty as the ocean, is actually fed by fresh-water streams.

大盐湖的水大概比海水还咸三四倍，但是它的支流都是淡水。

The common diseases were urinary lithia -sis, urinary infection, chronic nephritis, acute nephritis, renal tuberculosis, chronic renal failure and nephrotic syndrome in proper order ; The incidence of renal ureteral lithiasis showed a tendency to rise year after ...

急性肾炎、肾结核，慢性肾衰和肾病综合征；上尿路结石病人数有逐年上升趋势，且右侧显著高于左侧(P.001)；慢性肾衰的病人数每隔1～2年有突然增高现象，1987年比1980年增加了四倍；急性肾炎和肾结核占有较大比例，肾结核为慢性肾衰病因的第三位。

The capability of code and the memory propose rigorous requirements on the memorizer and calculating ability of hardware.

但是在编码效率得到提高的同时，其算法的复杂度也比H.263提高了四倍之多。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。