因此我们现在知道恒星的数目估计约为3万亿亿颗。
So the number of stars that we know exist is estimated at about 300 million million million.
目的比较运动单位数目估计(mune)法和传统肌电图(EMG)在神经肌肉疾病中的诊断价值。
Objective to compare the clinical significance of motor unit number estimates (MUNE) and conventional electromyogram (EMG) in the evaluation of neuromuscular disorders.
在水下多源探测与跟踪系统中,信号源数目估计不准确对波达方向估计以及整个系统性能会产生严重影响。
In an underwater multi-source detecting and tracking system, the incorrect estimation of source number will do bad effect on DOA estimation and the whole system.
并且简单介绍了基于最小描述长度(MDL)原理的信源数目估计方法以及基于子空间投影技术的MU SIC算法。
Furthermore the source number estimation method based on theory of MDL and the algorithm of MUSIC based on sub-space projection technique are also introduced briefly.
在这份第四次"水鸟数目估计"调查报告中发现,在过去的五年内,在全球900种鸟类中有44% 数目在下降, 34%保持稳定, 17%在增长。
The fourth Waterbird Population Estimate found that 44 percent of the 900 species globally have fallen in the past five years, while 34 percent were stable, and 17 percent rising.
专家估计整个北高加索地区叛军的数目约在500人左右,加上600到800的非正式人员。
The number of insurgents is estimated by experts at 500 men, plus 600-800 part-timers, across the whole north Caucasus.
当税收积累到很大程度时,更多的数目将被投放在癌症研究和治疗病人上而不会提到无法估计的生命上例如吸烟受害者。
While the tax is collected in vast sum, much larger amounts are spent on cancer research and on effort to cure patient not to mention countless valuable lives lost as victims of smoking.
所以像第四季度这种消息发布时,他们通常是用10和11月份的数据估计12月份的数目,并根据他们期望的季节变化进行调整。
So in the case of fourth-quarter releases, they usually estimate December's Numbers using the data for October and November, making what they hope are appropriate seasonal adjustments.
基数(cardinality)表示访问计划操作符所返回的行的估计数目。
The cardinality represents the estimated number of rows returned from the access plan operator.
1961年FrankDrake提出了其用于估计银河系中有能力与我们通信的智慧文明数目的著名方程序。
In 1961 Frank Drake proposed his famous equation for estimating the number of intelligent civilisations capable of communicating with us in our own galaxy.
从全球来看,估计2010年的儿童超重数目将超过4200万人。
Globally, in 2010 the number of overweight children under the age of five, is estimated to be over 42 million.
据估计,1874年至1875年期间,不少于3000只美洲野牛和骡鹿比麋鹿遭受更严重的破坏,而羚羊也差不多是这个数目。
It is estimated that during the winter of 1874-1875, not less than 3,000 buffalo and mule deer suffer even more severely than the elk, and the antelope nearly as much.
目前,数目尚难以衡量,但据世界银行的估计,贫穷国家于2006年所收款项的范围在170-550亿美元之间。
How much is hard to measure, but a World Bank estimate for 2006 gives a range for remittances among poor countries of $17 billion-55 billion.
当你决定不做阅读报告了,站起来伸下腰,然后去泡杯咖啡,这时候你就是在重新分配资源,每天你都会做超过五万次的这种优先级的判断–一些人估计这是你一天内可能有的不同想法的数目–你想到的总是可以选择的(原则上)。
When you decide tostop working on the monthly report,stand up and stretch, andgo get a cup of coffee,you make a decisionabout reallocatingyour resources.
地震孤儿的确切数目要过较长一段时间才会批露,据估计,已有5百万人无家可归,山区超过2万9千人失踪。
The true number of earthquake orphans will take a long time to know, with an estimated 5 million homeless and more than 29,000 missing in the mountainous region.
被判决死刑的案件数目在1995年达到最高峰326起,此后一直呈下降趋势,据估计去年此数目在110起左右。
But the downward trend in capital punishment is clear. Death sentences have been falling steadily, down from a peak of 326 in 1995 to an estimated 110 last year.
据估计,墨西哥兵力数量至少在2400人以上,甚至超过5000人,而阿拉莫的驻防力量数目大概只有185人,桑塔·安纳公开宣称他绝不会手下留情。
The Mexican force has been estimated at from 2, 400 to over 5, 000, the Alamo's defenders numbered only about 185, and Santa Anna declared he would give no quarter.
据受访者估计,在过去的一年里,广东约7万家工厂中有10- 20%关闭,预计在今后的两年中,还有同样数目的工厂关闭。
Members estimated 10-20% of the 70,000 factories in Guangdong province had closed in the past year, and expected a similar number to close within the next two years.
据受访者估计,在过去的一年里,广东约7万家工厂中有10- 20%关闭,预计在今后的两年中,还有同样数目的工厂关闭。
Members estimated 10-20% of the 70, 000 factories in Guangdong province had closed in the past year, and expected a similar number to close within the next two years.
即使当我们问专业营养师估计的数目热量的快餐食品,他们错了,尚东告诉INSEAD的知识。
Even when we asked professional nutritionists to estimate the number of calories of fast food, they were wrong, Chandon told INSEAD Knowledge.
该组织估计,以色列目前自称拥有超过3300家高科技公司,这意味着该国的人均高科技公司数目比其他任何国家都多。
The organisation reckons that Israel now boasts more than 3,300 high-tech firms, which means it has more such firms per head than any other country in the world.
这是在俄国十年以前估计的90处地点重大整合后的数目,而且在1991年以前超过500处地点。
This is a significant consolidation from the estimated 90 Russian sites ten years ago, and more than 500 sites before 1991.
据美国疾病控制和预防中心估计,每110个美国儿童当中就会出现一个自闭症儿童,而男孩的数目要大大高于女孩。
S. children — many more boys than girls — has the disorder, according to the U. S. Centers for Disease Control and Prevention.
这是从十年前估计的24处地点整合后的数目,在冷战结束的时候50处,而在1985年164处(图3)。
This is a consolidation from the estimated 24 sites ten year ago, 50 at the end of the Cold War, and 164 in 1985 (see Figure 3).
基于参数联合估计的多目标定位方法在不同目标数目、不同信号包络的定位实验中都有较好的表现。
The method based on joint parameter estimation shows preferable performance almost at all times, in cases of various number of targets and various type of signal envelope.
科学家曾经估计过我们银河系中有生命的行星的数目。
Scientists have made an estimate of the number of life-bearing planets in our galaxy.
科学家曾经估计过我们银河系中有生命的行星的数目。
Scientists have made an estimate of the number of life-bearing planets in our galaxy.
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