英语词汇“sieve tube”造句子简单的方法、技巧、例句及翻译-英语例句辞典

Phloem sap travels through perforations called sieve tube plates. Biology for AP Courses 2022-06-09T00:00:00Z

Annular vessel; 2. spiral vessel; 3. pitted vessel; 4. phloëm or sieve tubes; 5. sclerenchyma. A Handbook of Some South Indian Grasses

J, sieve tube from the underground stem, × 300. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

Annular vessel; 2. spiral vessel; 3. pitted vessel; 4. sieve tubes or phloëm; 5. sclerenchyma. A Handbook of Some South Indian Grasses

The rest of the bundle is made up of nearly uniform, rather thin-walled, colorless cells, some of which, however, are larger, and have perforated cross-walls, representing the sieve tubes of the fern bundle. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

The wood is distinguished by the presence of vessels with close, spiral or ring-shaped thickenings, while in the phloem are found sieve tubes, not unlike those in the ferns. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

This is the phloëm and it consists of sieve tubes and thin-walled cells. A Handbook of Some South Indian Grasses

单词	sieve tube
例句	sieve tube Phloem sap travels through perforations called sieve tube plates. Biology for AP Courses 2022-06-09T00:00:00Z Annular vessel; 2. spiral vessel; 3. pitted vessel; 4. phloëm or sieve tubes; 5. sclerenchyma. A Handbook of Some South Indian Grasses J, sieve tube from the underground stem, × 300. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Annular vessel; 2. spiral vessel; 3. pitted vessel; 4. sieve tubes or phloëm; 5. sclerenchyma. A Handbook of Some South Indian Grasses The rest of the bundle is made up of nearly uniform, rather thin-walled, colorless cells, some of which, however, are larger, and have perforated cross-walls, representing the sieve tubes of the fern bundle. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The wood is distinguished by the presence of vessels with close, spiral or ring-shaped thickenings, while in the phloem are found sieve tubes, not unlike those in the ferns. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses This is the phloëm and it consists of sieve tubes and thin-walled cells. A Handbook of Some South Indian Grasses
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