灌溉排水解題 - 考試
By Joseph
at 2016-02-27T21:11
at 2016-02-27T21:11
Table of Contents
[問題] 應考資格、各種國考疑難雜症等,以有正確作法、答案者為主
(不包括書裡的疑問)。若問題如人生規劃、讀書計畫等,無一
定作法、答案者,請用閒聊選項
手機排版請見諒
小弟我是上函授的,沒人可以問,要請大大幫忙了!!
題目:假設某水田之灌溉面積為50ha,灌溉期距為5日,田間之粗灌溉用水量為30mm,輸水效
率為90%,試求自水源取入多少水量?
答案是0.0386cms
請問不是帶公式Q*5*8640=50*27嗎?
還是哪個環節我觀念錯誤,請大大們幫忙了,
謝謝!!
--
(不包括書裡的疑問)。若問題如人生規劃、讀書計畫等,無一
定作法、答案者,請用閒聊選項
手機排版請見諒
小弟我是上函授的,沒人可以問,要請大大幫忙了!!
題目:假設某水田之灌溉面積為50ha,灌溉期距為5日,田間之粗灌溉用水量為30mm,輸水效
率為90%,試求自水源取入多少水量?
答案是0.0386cms
請問不是帶公式Q*5*8640=50*27嗎?
還是哪個環節我觀念錯誤,請大大們幫忙了,
謝謝!!
--
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考試
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