1) two-sheeted covering
双叶覆盖
2) doubly covering manifold
双叶覆盖流形
3) sugarcane leaf mulch
蔗叶覆盖
4) Double coverage
双网覆盖
5) circuit double cover
双圈覆盖
1.
From the strong embeddings of some graphs,a small circuit double cover can be obtained.
其中部分图类的强最大亏格嵌入提供该图的一个少双圈覆盖。
6) planstic film mulch in planstic tunnel
双膜覆盖
1.
The results indicated that planstic tunnel,planstic film mulch in planstic tunnel and only planstic film mulch all increased the soil temperature and preceded the sprouting and harvest time.
以"格兰蒂"为试材,研究了小拱棚、小拱棚加地膜覆盖(双膜覆盖)和地膜覆盖的增温效应及对绿芦笋早春生长和产量的影响。
补充资料：常绿阔叶落叶阔叶混交林
出现于亚热带和暖温带的过渡带或亚热带山地常绿阔叶林上界的森林植被类型。由常绿阔叶树和落叶阔叶树混合组成。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条