氡引起肺癌的比率估计范围为3 - 14%。
The proportion of lung cancers attributable to radon is estimated to range from 3 to 14%.
给出了分子已知情况下比率估计量的偏差和均方误差以及均方误差的估计，并对两类比率估计量进行了比较。
In this paper, the bias of the ratio estimator and the estimate of mean square errors of this estimator with known numerator have been compared and discussed.
讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
但是蔡先生和其他人口统计学家估计，真实的比率是接近1.5。
But Mr. Cai and other demographers estimate the real rate is closer to 1.5 children.
该研究估计，全世界男性吸烟人数几乎是女性吸烟人数的五倍，但各个国家的男女吸烟人数的比率却相差甚大。
The study estimated that men smoke nearly five times as much as women worldwide, but the ratios of female-to-male smoking prevalence rates vary dramatically.
根据世界健康组织的估计，所有市面上销售的药品中大概有10%- 25%是假药，在某些国家，这个比率更是高达80%。
Some 10-25% of all drugs sold are fakes, according to the World Health Organisation, and in some countries the proportion can be as high as 80%.
据议会估计，目前该比率达到了约25%，是全国增长最快的区之一。
The council estimates that the figure is now about 25%, one of the fastest rates of change in the country.
在研究过程中，法格林和她的研究小组让356名妇女中的175人估计了女性患乳腺癌的平均比率，然后又告知所有的人，正确答案应该是13%。
During the study, Fagerlin and her team asked 175 out of 356 women to estimate the average risk of breast cancer, then told all the women that the actual risk was 13 percent.
然后他们按照重塑金星地表的比率对估计的熔岩流体积水平进行划分，划分的结果支持了最近的金星地表重塑事件的估计时间。
They then divided the estimated volume levels by various rates of resurfacing that support the estimated date of the planet's most recent resurfacing event.
一个被普遍接受的ROT声称，如果GETPAGES对同步读的比率小于10：1，那么应该估计对更大缓冲池的需要。
A generally accepted ROT says that if the ratio of GETPAGES to synchronous reads is less than 10:1, then you should evaluate the need for a larger buffer pool.
Case先生估计，自2001至2006，洛杉矶房价与当地人年均收入的比率已翻倍至16，之后又跌至11。
Mr Case estimates that in Los Angeles, the ratio of home prices to annual income per person doubled from 2001-06 to 16, and has since fallen to 11.
最近一轮的通货膨胀又使持续经济增长比率的其他估计降到8%或之下。
The recent bout of inflation has pushed down some other estimates of India’s sustainable growth rate to 8% or below.
但该比率肯定还会继续上升，估计会上升至8%，以降低家庭部门的高杠杆率。
But it must rise further, to 8%, in order to reduce the high leverage of household sector.
这份报告估计加拉加斯的谋杀案比率达到了令人惊讶的十万分之220。
The report estimates the murder rate in Caracas at an astonishing 220 per 100,000 people.
关于患者在人群中的百分比，各方面的估计相差很大。一般认为，孤独症类的患者在人群中的比例是百分之一，男性居多，男女比率是9比1。
Estimates vary enormously as to the prevalence, but one in 100 people is thought to be on the autism spectrum, and it is more common in males by a ratio of nine to one.
为保证打褶和缝纫的精确度，在制作样板阶段必须估计打褶的比率。
The ratio of gathers would have to be assessed at the pattern stage to ensure accurate gathering and joining.
撞车测试假人文斯和拉里于1985年与美国公众见面后，使用安全带的比率从21%增加到70%，估计有75,000人的生命。
Since the Crash Test Dummies, Vince and Larry, were introduced to the American public in 1985, safety belt usage has increased from 21% to 70%, saving an estimated 75,000 lives.
“这个比率，新浪估计微博中国市场将在两年内成熟。”陆说。
"At this rate, Sina estimates that the microblogging market in China will be mature within two years," said Lu.
许多人口学者估计现在已经太迟而提高不了日本的出生率了，现在的比率是平均一个妇女有1.43个孩子。
Many demographers reckon it is already too late to lift Japan's birth rate, now at 1.43 children per woman.
如果这个估计是准确的，那么未来几年美国的失业率将会上升到一个非常惊人的比率：11- 12%。
If that gauge is accurate, unemployment in America is set to rise to an alarming rate of 11-12% in coming years.
中国女人的婚外情比率远比中国男人的婚外情比率为低，我手头上没有统计资料，但我估计恐怕低十倍也不止。
Chinese female have a lower rate of love affairs than Chinese men. Even though I have no statistics, I can guess the gap is more than ten times, especially in the expansive rural areas.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
应用推荐