quadrat中文什么意思

n.
1.【印刷】(用以填空的无字面)空铅，衬铅，嵌块〔略 quad 〕。
2.【农业】样方〔用来进行生态调查的一块长方形地〕。
短语和例子
+更多解释...an em [m] quadrat 全身空铅［阔铅块］。 quadrat an en [ n ] quadrat 对开空铅［狭铅块］。 a census quadrat 普查样方。

• census quadrat:    普查采样区〔一块划定的方形地区〕。
• chart quadrat:    图记样方; 图解样方
• clip quadrat:    茎叶干重样方

例句与用法

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1. Each small quadrat must be more homogeneous than the sociation as a whole .
   每个小样方必须比整个基群丛更为统一。
2. Quadrat launches the first exclusive interior design collection of more than 20 different products in anodised aluminium . quadrat
   推出首批超过20于种氧级氧化铝高级室内装饰产品。
3. 1999 year winter , the summer season , uses the quadrat survey procedure , has carried on the monitor to the ever green nature protection area panda habitat choice
   1999年冬、夏季节，采用样方调查法，对长青自然保护区大熊猫栖息地选择进行了监测。
4. The canopies of the desert plants are simple and thus the proportions of their canopies to the quadrat area are used as their eigenvalues to accurately and reliably calculate the eigenvalues of their niches
   荒漠植物的冠层单一，以冠幅占样方面积比作为植物的特征值计算其生态位特征值比较准确可靠。
5. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes , revealing that in different planting modes their densities , heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a . ordosica annually grew in a s - shaped cure and the young shoots of c . korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c . korshinskii and a . ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a . ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
   摘要对腾格里沙漠东南缘2种人工植被柠条和油篙在4种配置方式下地上部分的生长动态进行了研究，结果表明：不同配置方式下它们的密度、高度、冠幅和生物量基本不变或略微呈下降趋势；油篙新梢的年生长动态呈s型曲线，柠条新梢春季生长速度较快， 7月份以后生长速度缓慢或基本停止生长；柠条、油篙地上生物量和叶面积指数的年变化均表现为双峰型， 4种配置方式下共有8种1年生植物人侵，并具有较高的植被盖度；同其它3个样地相比，纯油篙样地1年生植物的密度、盖度和生物量明显偏低。