According to consumption rate models of energy sources, we estimate accumulative consumption of resources, doubling time, maximum consumption rate and the time of maximum consumption rate.
通过建立能源消费的模型,估算几种矿物资源累积消费和倍增时间、最大消费率及达到的时间。
Objective: Our aim was to investigate the relationship between tumor doubling time (T D) and the prognosis of patients with lung cancer.
目的 :研究肿瘤倍增时间 (doubling tim e,TD)与原发性肺癌病人预后的关系。
8 g/L,respectively;the doubling time of Platymonas shortened to 0.
8 g/L,可以使扁藻的倍增时间由原来的1。
Characteristics and Pathological Basis of Tumor Doubling Time in Lung Cancer
肺癌肿瘤倍增时间特点及其病理学基础
That was a 25-fold increase in 200 years.
２００年间增长２５倍。
In a few months the guerrilla army multiplied tenfold.
几个月的时间游击队的人数就增加了十倍。
The Manufacturing times of Mobile Medium Warp Disruptor II's have been increased.
中型移动跃迁干扰装置的制造时间倍增长了。
Between 1971-75, production of walking-tractors was up 8-fold.
在1971—75 这段时间，手扶拖拉机产量增长了七倍。
Theoretical simulation of electron transit time and gain characteristics in microchannel plate
微通道板中电子时间倍增特性的数值模拟
The changes reveal, over the 17-year period, a 2.2-fold increase in mortality rates for white males and a 3-fold increase for nonwhite males.
这种变化表明，在17年的时间里，白人男子的死亡率增加到2．2倍，非白人男子增加到3倍。
Reducing the data rate by one-half will double the duration of each symbol interval.
数据率减慢一半，将使每个符号间隔的持续时间增加1倍。
To make both ends meet they have to work longer hours, get up earlier, leave off later, and be doubly careful at their work.
必须增加劳动时间，每天起早散晚，对于职业加倍注意，方能维持生活。
The repetition of a theme in notes of usually double time value.
主题延长，增音以通常音符两倍的时间来重复主旋律
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。
Measurement of TTS of Fine-Mesh PMT with Cherenkov Light
用切伦科夫光测量网栅型光电倍增管的渡越时间分散(英文)
double time-interval automatic time switch
双倍时间区间自动时间开关
investment factor
投资系数（产量增加时，投资的增加倍数）
In twenty years, the population swelled to twice its size
二十年间人口增加了一倍。
He's trebled his earnings in two years.
他两年间收入已增加两倍.
Space Control--The "Multifer"of American Navy Force;
空间控制——美海军力量的“倍增器”
Halving the repeater spacing made it possible to quadruple the bandwidth.
将增音机间距减少一半，能使宽带增加3倍。