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annual mean biomass 年平均生物量
What is the annual mean temperature in Beijing? 北京的年平均气温是多少?
Annual mean dry weight and volume production in arbor layer were 1.397t/ha. 林分乔木层干物质和材积年平均净生产量为1.;397t/ha
The annual mean temperature was 23.4 degrees,making 1997 the fourth-warmest year on record. 而全年平均气温则达23.;4度，使1997年成为纪录上第四热的年份。
The annual mean temperature was 23.4 degrees, making 1997 the fourth-warmest year on record. 而全年平均气温则达23.;4度，是历年第四最高纪录。
In the Tsushima Strait, the annual mean flux was 2.3Sv and its monthly variation just was only 0.4Sv. 对马海峡平均流量为2.;3Sv，月变化较小，仅0
The wind in summer dominates other seasons with annual mean westerly on the equator. 夏季的风应力在一年中占有优势，在赤道上出现了西风。
Variation trends of temperature in different seasons were similar to that of annual mean temperature except that in winter. 不同季节平均气温的变化趋势与年平均气温变化趋势基本一致,仅冬季平均气温有差异。
Annual mean and extreme temperature series are deduced from the daily observations and trends in the adjusted and unadjusted series are compared. 从逐日序列计算出年平均温度和年极端温度序列，并把修正之前和修正之后的序列趋势进行比较。
The net result is little change in the daily maximum temperature. Overall, the annual mean temperature rises but at a slower rate than the annual mean minimum temperature. 综合最高和最低气温的变化,日平均温度有上升的趋势,但速度较日最低气温慢。
The western region, covering the Kgalagadi Desert, is the driest part of the country with average annual mean rainfall less than 250mm in the extreme southwest. 西部绵延着卡拉哈迪沙漠,是这个国家最干旱的地区,西南端的年平均降雨量不到250毫米。
The capacity of the decrease of maximum air temperature in forests was the principal factor of decreasing the annual mean differences in daily range of temperature. 这4种森林的年平均日较差依次为5.;9℃、4
The computations show that the annual mean Indonesian Throughflow transport amounts to 16.6Sv,with a maximum(minimum) transport of 18.5Sv(12.7Sv) in June(April). 结果表明;南海的Karimata海峡出流量对印尼贯穿流有显著的贡献;印尼贯穿流的平均流量为16.;6Sv;流量在6月最大(18
The analyses show that the annual mean precipitation is increasing in Altay Prefecture, especially in summer and winter.However, in spring and autumn the increase is slowly. 结果表明：过去47a阿勒泰地区年降水有增多趋势，夏、冬季节降水呈明显增加趋势，而春、秋季则增加较缓慢；
The annual mean levels of CFC-12 and CFC-11 in the Dinghu Mountain,a regional background site in PRD,were higher than those in global background stations,indicating that there were emission sources of CFC-12 and CFC-11 in PRD. 结果表明,2005年珠江三角洲背景点鼎湖山大气中CFC-12和CFC-11的年平均浓度高于全球本底站,说明珠三角地区还存在一定CFC-11和CFC-12的排放源;
Temperature and precipitation is negative correlated test with SPSS software. The correlation quotiety of min-temperature and mean temperature is 0.504,which shows that min-temperature effect the change of annual mean temperature notable. 运用SPSS软件对降水量、温度进行相关分析;发现降水与温度呈负相关;最低气温与年平均气温的相关系数达到0.;504;通过了0
In the first phase, the model was integrated starting from an rest state over ten years under the annual mean wind stress. At the end of the first phase, a quasi-equilibrium state in the upper levels was reached. 模式数值积分分两个阶段,在第一个阶段,海洋环流从静止状态开始,以只随纬度变化的年平均风应力和海表热通量作为强迫边条件数值积分十年,这时海洋上层的环流和温度都趋于平稳,我们将第十年末的积分状态作为模式气候的准平衡态。
All CDD in January,February,March,November and December are zero. The annual mean value of CDD in warm season is 826.7 degree-day. There is a increasing trend of 39.0 degree-day for CDD per decade. CDD多年平均的年值为826.;7度日;多年变化呈上升趋势;上升率为39
Their annual mean of daily activities of feeding, drinking, moving, and others was 52.07% with only 5.28% during day-time mainly for resting and ruminating, and 46.79% during night-time and dawn. 昼夜年平均每天约有 5 2 0 7%25的时间在活动 ,其中白昼活动仅占5 2 8%25 ,而晨昏和夜晚的活动占 46 79%25。
In comparison with permafrost regions with higher annual mean temperature, permafrost regions with lower annual mean temperature is more beneficial to the enhancement of heat transfer rate. 与年平均气温较高的多年冻土区相比，年平均气温较低的多年冻土区更有利于热管的传冷。