quadratics

常見(jiàn)例句

• Each small quadrat must be more homogeneous than the sociation as a whole.
  每個(gè)小樣方必須比整個(gè)基群叢更為統(tǒng)一。
• The main topics are: determinants, matrices, rank of a matrix, vector spaces, linear equations, eigenvalues and eigenvectors, quadratics.
  本課程的基本內(nèi)容有行列式、矩陣、線性方程組、矩陣的特征值與特征向量。
• Finally,we measured agronomical parameters and spectrum data at every major quadrat,and established the setting database.
  在各類(lèi)樣地上，分別進(jìn)行農(nóng)學(xué)參數(shù)、環(huán)境背景參數(shù)的觀測(cè)和波譜特征的測(cè)試。最后進(jìn)行數(shù)據(jù)整理和背景數(shù)據(jù)庫(kù)的建立。
• The root nodules maximums occur in April except for A. ordosice quadrat, and RLD of coarse roots are far little than those of fine roots.
  挖溝分層取樣研究表明，與檸條相比油蒿具有較高的根冠比；
• The quadrat sampling technique is mostly used in plant ecology to study the distribution and abundance of species in plant communities.
  其內(nèi)部的生物體被標(biāo)記，樣方抽樣技術(shù)多用于植物生態(tài)學(xué)領(lǐng)域，用來(lái)研究某一植物群落中物種的分布及其含量的多少。
• The transect sampling technique is most often used in plant ecology to study changes in the composition of vegetation.See also quadrat.
  樣條取樣技術(shù)在植物生態(tài)學(xué)或植被組成的變化研究反面應(yīng)用廣泛。
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