sheath GRE专八

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组管束鞘，具双生韧皮。

Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.

栅栏组织富含含盐，管束鞘明显。

All the results demonstrated pyrenoid and starch sheath were closely related with photosynthetic function.

这些结果均表明条浒苔蛋白核(淀粉鞘)单细胞绿藻蛋白核相同,具有光合作用功能。

Seamless sheath of ether-based urethane resistant to cathodic, hydraulic and other environmental conditions.

无缝铠装乙醚基氨基甲酸乙酯。耐阴极、压和其它环境条件。

Objective: To isolate and culture hair outer root sheath amelanotic melanocyte derived from human scalp.

目从人头皮毛囊外根鞘分离纯化培养无色素黑素细胞。

In Japan the leaf sheaths are always conspicuously tuberculate-hispid; the older, lower sheaths with disarticulated blades are glabrescent and spotted with tubercles.

在日本叶鞘总显著具糙硬毛具瘤；最旧，更下鞘具叶片在后脱落和斑点具小瘤。

Applying basic magnetofluiddynamic theory, the author analyzes the model flowing in plasma sheath under the combined action of magnetic and electric field.

本文应用磁流体力学基础理论,分析了在磁场和电场联合作用下,等离子体鞘中模型流动。