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- square sample plot 方形样地
- A sample plot of the unstable frequency with crank speed is illustrated. 绘制了不稳定频率相对于曲柄速度的样本曲线。
- Within the stand one sample plot is laid down, often covering a large part of the stand. 在群落片段范围内设置一个样地,通常应占据群落片段的大部。
- Thus setting up a single sample plot in an area can produce some rather bewildering result. 因此,如果在某个地区内只在某单块抽样小区内采样,那末就可能得到某种较为含糊的结果。
- Cumulation in each sample plot was a little different with the annual litter production. 各样地的蓄积量多少与年凋落量有一些差异。
- According to this testing procedure, a square sample of fabric is vertically suspended and connected to a very sensible balance that measures its weight. 根据该测量规程,将一块方形网布样品垂直悬起,并将它连接到一台灵敏度极高的天平上,称量其重量。
- The typical sample plot with Sophora viciifolia was take as research object in the Zhifanggou catchment of the hilly gully Loess Plateau in July 2002. 于2002年5月份,在陕北黄土区纸坊沟流域选择狼牙刺典型样地,以柠条、撂荒地作为对照。
- There are still some problems in the permanent sample plot database, so using the database for carbon sequestration approximations often result in overestimation. 不过,永久样区设置与资料仍有许多不足,用来估算国有林地蓄积量与碳吸存量容易有高估的情况发生。
- The relationship between the zokor occurrence and canopy density was studied in 5 different types of 11-year-old improved secondary forests ny regular sample plot survey. 摘要通过对次改林地11年的鼢鼠发生和林分郁闭度关系研究发现,鼢鼠密度上升期,鼢鼠密度、雌雄比与郁闭度呈递增关系,成亚比与郁闭度呈递减关系;
- The paper uses typical sample plot method of forest ecology to obtain field data,and the Walkley-Black acid digestion method for measuring the carbon in the forest and soil is used in this paper. 运用森林生态学典型样地法设立标准地并获取野外数据,采用重铬酸钾-硫酸氧化湿烧法测定植物、土壤中的碳。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- Based on the locating monitoring and sample plot investigation, this paper discussed the structural feature and biomass of soil and water conservative plantation of Armand pine in the upper reach of the Yangtze river. 通过定位监测与样地调查,分析了长江上游华山松水土保持人工群落的的结构特征,并对其生物产量进行了测定。
- The result shows that there are 127 tree species,76 arbor tree species and 51 shrub tree species,in sampling plot. 结果表明:在1 hm2样地内,共记录到木本植物127种,其中乔木为76种,灌木51种。
- The crowds in the square were elated by the news. 这消息使广场上的人群欢欣鼓舞。
- Can I leave you to square up with the waiter? 我把跟服务员结帐的事交给你办行吗?
- The two teams were all square at the end. 最后两队以积分相同而结束。
- The little girl drew a square on the paper. 小女孩在纸上画了一个正方形。
- Plus tree selection by sample plot method 标准地法选优
- The teams are all square at one match each. 这些队在各自参加了一场比赛后不分胜负。
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries