secondary phloem

secondary phloem什么意思,secondary phloem翻译

基本解释

un.: 次生韧皮部；次生韧心皮部
网络: 次生韧皮层；次级韧皮部；二级韧皮部

英汉解释

• 次生韧心皮部

• 次生韧皮部

例句

• More secondary phloem than secondary xylem in carrot Parenchyma predominates in vascular tissues .

  在胡萝卜根，薄壁细胞在维管组织中占主导地位，次生韧皮部比次生木质部更发达。

• Only a small quantity of phloem fibers were distributed in the secondary phloem, and the phloem ray was unconspicuous.

  次生韧皮中分布有少量韧皮纤维，韧皮射线不明显。

• Some segments of hypha, swelled hypha, pelotons and conidiophore were in colonies in cork and secondary phloem.

  在美登木木栓层和次生韧皮部中分布有菌丝片段、膨大的菌丝、菌丝团及分生孢子；

• are found in secondary phloem, and rays are rather rich in secondary xylem.

  次生韧皮部有石细胞，次生木质部射线发达。

• the stem of annual plants closes to apical bud, they have obvious secondary xylem and secondary phloem, the structure of periderm is intact;

  一年生实生苗茎近顶芽处，次生木质部、次生韧皮部明显，周皮结构完整；茎次生木质部为散孔材；