开花: 1.(花蕾开放; 比喻心里高兴或脸露笑容) flower; bloom; blossom; be in flower; come into flower 短语和例子心里乐开了花 burst with joy; feel elated; 樱桃树开始开花了。 the cherry-trees began to put forth their blossoms. 今年李子树不开花
The fixed sample sites were set up in shaowu fujian for the phenophase observation study , flowering and seedling regularity study and cultivation biological character study of michelia chapensis , which could provide fundamentals for the cultivation of michelia chapensis 摘要在福建邵武建立固定样地进行乐昌含笑物候观测研究，了解南方乐昌含笑的开花结实规律，探讨乐昌含笑的栽培生物学特性，为乐昌含笑人工栽培提供科学依据和技术支撑。
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This research is concerned to clone the flower - timing genes of betula platyphalla under the intensive condition by orthologus gene cloning technique . the purpose is to reveal the control mechanism of early flowering genes of this species , and also to analyze some special gene ' s expression in that condition 实验旨在利用rt - pcr技术克隆白桦( betulaplatyphalla )的成花计时相关基因，从而为揭示强化条件下白桦提早开花结实的基因调控机理奠定基础。
