Objective To observe morphologic structure of human lymphatic vessels in colon carcinoma, discuss the mechanism of lymphatic metastasis.
目的观察人结肠癌淋巴管的形态结构，探讨淋巴道转移机制。
Overshadow affects grass on anatomy, morphologic structure, absorption and accumulation of nourishment and physiological action, even affects the growth of the grass.
遮荫影响草坪草的解剖结构、形态结构、营养吸收积累及生理活动，进而影响草坪草的生长发育。
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