常绿树种 evergreen species
- 新西兰常绿树种,木质轻,易雕刻。
New Zealand evergreen valued for its light easily worked wood. - 两年间落叶树种叶子的重量损失大于常绿树种。
Weight losses of deciduous leaves were larger than those of evergreen leaves during two years. - 常绿树种的光合速率在秋季最高,大量换叶期最低,冬季仍有一定的净光合量。
The net photosynthesis of the evergreen species was the highest in autumn and the lowest when the plants were in the period of concentrate change of leaves.
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