以新息序列的平均平方和为评价函数优化扫描光谱的峰位，消除扫描过程中可能产生的波长定位误差，从而保证滤波结果的准确性，并使实际检出限显著改善。
The whiteness of the innovation sequence for an optimal filter was explored to be the criterion for the correction of the wavelength positioning errors which may occur in spectral scans.
世界平均人口密度为每平方英里47人。
The average population density of the world is 47 persons per square mile.
一项针对美国各类餐馆的研究发现，平均每个高脚椅座位每平方厘米就有147个细菌。 相比之下，普通的公用卫生间马桶座圈上所含细菌是每平方厘米8个。
Research on different restaurants across the US found that on average the number of bacteria on a high chair was 147 per sq cm, while the average public toilet seat has just 8 per sq cm.
2009年冰川最小的面积大约是620000平方英里，几乎等同于阿拉斯加面积的大小，这低于在1979年和2000年之间测量的平均最小面积。
The minimum 2009 sea-ice extent is still about 620, 000 square miles below the average minimum extent measured between 1979 and 2000 -- an area nearly equal to the size of Alaska, said Meier.
据他们估计，这一海域的塑料垃圾平均密度大约在每平方英里4000块左右，一些海域的密度最高可达到每平方英里25万块。
They estimate theaverage concentration of plastic in this area is about 4,000 pieces per squaremile, though it is as high as 250,000 pieces per square mile in some places.
Asda店面的平均占地约为8000平方英尺，市郊的店铺通常可能是这个的六倍。
The average size of the stores it has acquired is 8,000 square feet; a typical out-of-town Asda might be six times larger.
而美国每年的2000宗飞碟目击事件平均到每平方公里只有0.0002起。
The 2,000 UFOs are spotted every year in the United States represent just 0.0002 sightings per square kilometer.
据他们估计，这一海域的塑料垃圾平均密度大约在每平方英里4000块左右，一些海域的密度最高可达到每平方英里25万块。
They estimate the average concentration of plastic in this area is about 4,000 pieces per square mile, though it is as high as 250,000 pieces per square mile in some places.
平均大小为 3,131平方英尺，标准偏差为 655 平方英尺（标准偏差是一个描述差异的统计量度）。
The average size is 3,131 square feet, with a standard deviation of 655 square feet. (Standard deviation is a statistical measure of variance.)
然后你减去e的平均值，这个量再平方。
女性在每平方的表面皮肤上平均有34个神经纤维，而男性只有17个神经纤维。
Women average 34 nerve fibers per square centimeter of facial skin, while men only average 17 nerve fibers.
到2007年，平均面积上升到1,789平方英尺，卧室不少于三间的家庭比例达到60%。
By 2007, it had grown to 1, 789 square feet, and more than 60 percent had three or more bedrooms.
根据房地产权威部门的统计，去年中国的平均住房价格达到了每平方米2，226元，比前年高出6%。
According to the statistics from the housing/real estate authority, last year the housing price of China averaged 2,226yuan per square meter, which was a 6 percent up over the year before.
这意味着如果这片土地平均分成若干分，每个人所拥有的空间就只有172平方英尺。
That means ifall the land were divided into equal amounts among the population, every person would have an area exactly 172 feet x 172 feet.
过去10年内，澳洲平均住宅面积增加10%，达214.6平方米。
Research shows the Australian house has grown on average by 10% in the past decade to 214.6 sqm.
Asda超市的平均店面面积为8000平方英尺，而一个典型的郊区Asda店可能会比平均面积大6倍。
The average size of the stores it has acquired is 8, 000 square feet; a typical out-of-town Asda might be six times larger.
3方差的专业定义是随机变量的二次中心矩，与期望值之差的平方的加权平均值。
The technical definition of variance is the random variable's second central moment, the weighted average of the square of the differences from the expected value.
在纽约,每平方米的均价是2059美元,来自美国商业局的数据显示,美国人平均年收入是36000美元,或月收入2875美元.
In New York, the average price for per sq m is $2, 059, and figures from the US Department of Commerce show the American average annual income was $36, 000 or $3, 000 per month.
在北京，一个新建单位平均价格降到每平方米低于2万元，比去年同期下降了10%。
In Beijing, the average price of a newly-constructed unit dropped to less than 20-thousand yuan per square meter, more than 10 percent lower than the same period last year.
而如果这些家庭平均分布于6000万平方英里的地表，那么它们相互间隔则为0.26英里。
If the homes were spread equally across the Earth's landmass of 60m square miles, the distance between households would be 0.26 miles.
7月份每天下降率为7.7万平方公里(2.97万平方英里)，接近于1979年~ 2000年的平均值8.44万平方公里(3.26万平方英里)。
The daily rate of decline for July was 77,000 square kilometers (29,700 square miles) per day, close to the 1979 to 2000 average of 84,400 square kilometers (32,600 square miles).
研究发现三月的平均冰覆盖量大约是一千五百万平方公里。
The study found an average ice cover of about fifteen million square kilometers in March.
精装修花园洋房户型平均面积在42平方米到78平方米左右。
Refined decoration garden villa Huxing average area of 42 square meters to 78 square meters.
在陆地面积小于5万平方公里2，的岛屿国家中，2000年的总森林覆盖率约为陆地总面积的38.4%，而世界平均水平是29.6%。
Among the island states with a land area of less than 50 000 km2, the combined forest cover was estimated at 38.4 percent of the total land area in 2000, whereas the world average was 29.6 percent.
但是从1979年到两千年每年的平均数值来看，这也说明了大约五十九万平方公里的冰川消失了。
But it represents a loss of about five hundred ninety thousand kilometers from the yearly average between nineteen seventy nine and two thousand.
年龄和年龄平方系数显示，美国人的平均幸福在约40岁达到其最低点。
The age and age squared coefficients reveal that Americans' happiness reaches its low point at, on average, around 40 years old.
住宅平均分隔成两户，每户430平方英尺，通过滑动门和窗帘挡住卧室、浴室和衣柜。
Each of the 430-square-foot units is essentially one space, with sliding doors and drapes that can close off the bedroom, bathroom, and closet.
住宅平均分隔成两户，每户430平方英尺，通过滑动门和窗帘挡住卧室、浴室和衣柜。
Each of the 430-square-foot units is essentially one space, with sliding doors and drapes that can close off the bedroom, bathroom, and closet.
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