rating scales method

常見(jiàn)例句

雙語(yǔ)例句

• Distribution and damage of wheat field weeds in Lanzhou district were studied by the rating method with five scales during 1988-1990.
  1990年，筆者用五級(jí)目測(cè)草害調(diào)查法調(diào)查了蘭州地區(qū)麥田雜草的發(fā)生與危害情況。
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