投票前的竞选中, 对敏感问题的争论十分激烈.In the campaign preceding this election, serious issues were at stake.在竞选中,阿瑟是我的得力助手.Arthur was my right - hand man during the election.在竞选中,各个候选人对于性别分野的看法也各不相同.Gender separation seen in the campaig...
叶肉是由两层栅栏薄壁组织组成.The mesophyll consists of two layers of palisade parenchyma.NAA或6 - BA会引起马铃薯叶肉原生质体的褐化,但二者互作时却又抑制了原生质体的褐化.NAA or 6 - BA could cause the browning of mesoplyll protoplasts of potato.叶肉中通气组织发达,且均有不规则裂生性气腔.Aere...