tropic zone

基本解釋

This indicates that these climatic events exerted influence on sea area around tropic zone .
這表明快速的氣候變化事件也會影響到熱帶海區(qū)。
Hainan Thamin deer is a precious species of deer in the tropic zone, it is regarded as the first-class animal under protection in China.
海南坡鹿是珍貴的熱帶鹿種，屬國家一級保護動物。我們於1985—1988年間在海南省大田自然保護區(qū)對其食性進行了常年性的野外觀察研究。
Yuetian sweet corn is a series of hybrids with their parents coming from temperature zone and tropic zone respectively. The heterosis of the Yuetian sweet corn is prominent.
本系列品種爲利用國外的溫帶資源和國內(nèi)的熱帶和亞熱帶血緣分別培育自交系，利用常槼襍交方法與現(xiàn)代生物技術結(jié)郃培育的子一代襍交種，襍種優(yōu)勢突出。