常見例句These stacks of thylakoids are called grana. 這些成堆的類囊體稱為質(zhì)體基粒。The inside of a chloroplast with the granum circled. 葉綠體的內(nèi)部構(gòu)造與顆粒盤旋。With the light microscope these stacks are just visible as grains (grana). 可以用光學(xué)顯微鏡觀察到這些堆積成顆粒狀的物質(zhì)(質(zhì)體基粒)。The fixed point theorems on a class of contraction mappings on the metric space is proved,which contain Matkowski's,Boyd and Wong's,Dugundji and Granas' fixed point theorems. 證明了度量空間中一類收縮映像的不動點定理,它包含Matkowski不動點定理、Boyd-Wong不動點定理及Dugundji-Granas不動點定理Grana stacks have the interesting property of unfolding in low ionic strength medium. 在低離子強度介質(zhì)中,基粒垛疊能打開這是一個有意思的性質(zhì)。Chloroplast size was bigger and grana stack was thicker in tetraploid than that in diploid. 四倍體的葉綠體的長度和寬度均顯著高于二倍體,基粒片層加厚,結(jié)構(gòu)致密有序。 返回 Granas