平均的

It covers 15,000 sq km. The population is 5.6 million. The annual average temperature is 17.1°C. The annual amount rainfall is 1300mm. In 2005, Yueyang entered the list of Top 100 cities of China, and was listed in Forb e s Magazine as one of the 20 cities most suitable for opening factories, as well as one of the most suitable places for living.

岳阳地处长江中游南岸，多为平原和丘陵，地势东高西低，属亚热带季风性湿润气候，年平均气温为17度左右，年平均降雨量为1300mm 左右。2005年，岳阳进入中国100强城市之列，被美国《财富》杂志列为中国最适宜开设工厂的20个城市之一，在全国列为良好的人居环境城市第六位

To obtain high average current electron beams for high average power Free Electron Laser, a DC-SC photocathode injector is designed.

为获得用于高平均功率自由电子激光的高平均流强电子束，设计了一种新型的DC-SC光阴极注入器，并对其进行了优化设计和束流动力学研究。

The phytoplankton biomass altered from 4.22 mg/L to 22.31 mg/L, averaging 12.29 mg/L. The diversity index of the phytoplankton (H =0.96) was relatively low. The zooplankton identified belongs to 19 species, and its biomass ranged from 3.75mg/L to 7.74mg/L, averaging 5.93mg/L. The diversity index of the zooplankton was relatively low too. In the cultured rice fields, the phytoplankton identified belonging 53 gena, 6 phyla.

在网箱养鳝塘中，共检出浮游植物40属，隶属于7个门；浮游植物生物量变化在4.22mg/L-22.3mg/L之间，平均为12.29mg/L；浮游植物的多样性指数相对较低(H=0.96)；共检出浮游动物19属，其生物量变化在3.75mg/L-7.74mg/L之间，平均为5.93mg/L；浮游动物的多样性指数(0.80)也相对较低。

The research for the means has a long history, the classical means include algebraic mean, geometric mean and harmonic mean etc.

平均数理论研究的历史久远，经典的平均数包括算术平均，几何平均，调和平均等。

Using the matrix geometric method we get the probability distribution of the number of customers, the mean number of customers and the mean sojourn time of a customer in the steady-state.

用矩阵几何解的方法得到了稳态分布，平均队长以及平均逗留时间的表达式。

For example, in the Virginia wheat cultivar evaluation tests conducted at five locations, the cultivars Massey and Pioneer Brand 2548 both averaged 4.7 tons/ha (Brann and Griffey, 1991). However, in the northern study location, the Pioneer cultivar averaged 6.2 tons/ha over three years compared with 5.5 tons/ha for the Massey cultivar.

比如，在弗吉尼亚五个地区做的小麦品种试验表明， Massey 和 Pioneer Brand 2548的平均产量均为4.7吨/公顷（ Brann 和 Griffey ，1991），但是在北部地区研究中， Pioneer 品种，平均产量在三年中均达到6.2吨/公顷， Massey 品种亦达到5.5吨/公顷。

The average loss of grain in calamitous floods is about 4 percent of gross grain yield of the whole country in that year and that in calamitous droughts is about 6 percent. These numbers can be employed as ground of standard for grain store.

重大水灾平均损粮约占当年全国粮食总产量的4%，重大旱灾平均损粮约占当年全国粮食总产量的6%，这个粮食损失量可为仓储标准提供依据。

In December, Guppy Multiple Moving Average short-term group is likely to run to long-term average of the top group.

去年12月，顾比复合移动平均线短期组有可能运行到长期的前组的平均水平。

In Hangchow it has four generations each year and the time of its occurrence is well synchronized with that of the scale.

根据测定，隐斑瓢虫对日本松干蚧各虫态的捕食能力较强，一头成虫的日平均捕食量为：显露若虫13.33头，雌成虫4.27头，卵囊3.67个(每个卵囊内平均有卵265.5粒)，雄蛹28.27只；一头幼虫全期(或2—4龄和3—4龄)分别能捕食显露若虫39.20—105.56头，雌成虫40.80—47.79头，卵囊39.38—41.79个，雄蛹220.50只。

Relative hydraulic conductivity is first evaluated cell boundaries by using full upstream weighting, the arithmetric mean, or the geometic mean of values from adjacent cells. Saturated hydraulic conductivites are evaluated at cell boundaries by using distance—weighted harmonic mean.

首次采用分散平均方法估算水力传导率，即运用上风权重法来估算单元边界的相对水力传导率，运用距离权重调和平均法来估算单元边界的饱和水力传导率。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐