例句與造句

1. Growth of watermelon seedlings under three light intensities were investigated on four cultivars with different seed sizes
   摘要以種子大小不同的4個品種為試驗材料，研究了西瓜幼苗在不同光照條件下的生長狀況。
2. Population dynamics the study of the factors influencing the fluctuations in numbers in a population or of its gene pool : the factors affecting birth and morality rates , immigration and emigration , and reproductive potential ( for example , seed size , dispersal , and dormancy )
   種群動態(tài)：主要研究影響種群及其基因庫數(shù)量波動因素：這些因素影響種群內(nèi)出生率、死亡率、遷入及遷出、生殖潛力（如種子的大小、傳播以及休眠） 。
3. In the most extreme condition in uni - ovulate cone , the female reproductive unit ( fru ) occupies the position of the terminal bud . an evolutionary trend of reduction is supported in the genus from tri - ovulate to uni - ovulate cone , in which the bract number and seed number are reduced , and the seed size and seed surface sculpture are increasing
   總之，麻黃屬雌球花有簡化的趨勢，伴隨著這種趨勢，雌球博士學(xué)位論文中國麻黃屬植物的分類? ?兼論麻黃屬的演化花苞片數(shù)目減少、種子數(shù)目減少、種子體積增大、表面復(fù)雜度增加。
4. It's difficult to find seed size in a sentence. 用seed size造句挺難的