“poplar canker”的概念、定义、翻译、参考文献-科学参考

单词	poplar canker
释义	poplar canker Encyclopedia 农学森林病害释 poplar canker杨树溃疡病树木枝、干局部皮层坏死，后期因坏死组织失水而稍有下陷，有时周围还产生一圈稍隆起的愈伤组织，溃疡病广义上除包括典型的溃疡病外，还包括腐烂病、枝枯病、干癌病等所有引起树木枝干韧皮部坏死或腐烂的病害。
随便看	exact age exact algorithm exact approximation exact-arithmetic method exact Bethe ansatz solution exact calculation exact cardinality exact category exact cohomology sequence exact contact structure exact controllability exact couple exact covering system exact current exact definition exact diagonalization exact diagram exact diffeomorphism exact differential exact differential equation exact differential form exact differential transformation exact distribution exact divisibility exact division

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。