So we measured the white elm tussock moth, an important poplar leaf-eating pest of the Northwest region, studied the energy flows and revenue and expenditure law systematically in its whole life history.
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美
- 因此，本文選定西北地區楊樹(shù)主要食葉害蟲(chóng)楊毒蛾為試蟲(chóng)、系統的研究了其整個(gè)生活史過(guò)程中的能量流動(dòng)和收支規律，研究結果如下：
