单层

The cortical granules were arranged beneath the oolemma membrane.

皮质颗粒以层排列于质膜下。

Dennis Dart was one of the midibus introduced by KMB in early 90s.

九巴在九十年代初期积极引进层中型空调巴士，丹尼士飞中一款引进的中型巴士。

On the basis of the transformation of nonintegral folede-chain (NIF) crystals into integral folded-chain(IF) crystals,the growth processes of double lamellae and single layer lamellae is discussed.

根据非整数次折迭向整数次折迭的转变,讨论了双层片层片的生长过程。

In both types of feather, the barbules that extend from the barb ramus grow from a single layer of cells, called the barbule plate, on the periphery of the barb ridge.

而不论何种羽毛，从羽枝主枝延伸出来的羽小枝，都从羽枝脊表面叫做「羽小枝板」的层细胞长出来。