yield two crops a year 中文意思是什麼

yield two crops a year 解釋
一年兩熟
  • yield : vt 1 生出,產生(作物、報酬、利益等)。2 給與,讓與;讓渡;放棄(權利、地位等);交出。3 承認。4 ...
  • two : n. (pl. twos)1. 兩人;兩個東西,一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • crops : 分批出現
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  • year : n 1 年,歲;一年。2 年度,學年。3 〈pl 〉年紀,年齡,歲數;〈pl 〉老年。 ★在表示歲數時, years 略...
  1. The experiment calculate, arranges and analyzed the present situation, the main problems and the developing tendency of the protecting farming of two crops a year in the high yield field in longkou city, and this experiment raised the best protecting farming system which can improve the grain growing of the high yield field, the results are as follows : 1

    本試驗根據核心區試驗數據和大田示範情況以及龍口市多年的統計數據,計算、整理、分析了龍口市糧食高產田一年兩熟保護性耕作的現狀形勢、存在問題和發展趨勢,提出了提高龍口市高產田糧食種植的最優保護性耕作制度。
  2. However, in south asia, most farmers grow two or even three crops per year on their land and so it is necessary to take future yield maximization research one step - further so that information can be obtained on maximum yields for a cropping pattern

    但在南亞,大多數農民一年種二到三季,因此有必要進行進一步的最高產量研究以獲得整個種植制度最高產量的資料。
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