比较测定了水、旱地梨树的叶片解剖构造、气孔分布密度与相对开张度、气孔传导率、蒸腾速率以及光合速率。
Anatomic construction, density and relative opening degree of stomata, stoma conductivity, transpiration rate, and photosynthetic rate of pear leaves of both irrigated and dry land were tested.
本文利用光镜技术和MK-3型自动气孔计对松茶间作和单作茶园茶树叶片的解剖构造和气孔传导力进行了比较研究。
In this paper, stomatal conductance of leaves and anatomical structure of leaf surface in a pine-tea interplantation and a pure tea plantation are studied using MK-3 Antomatical Porometer.
断路器壳体(4)包括构造为排出电弧气体的一定数量的灭弧室气孔。
The circuit breaker housing (4) includes a number of arc chute vents structured to exhaust arc gases.
断路器壳体(4)包括构造为排出电弧气体的一定数量的灭弧室气孔。
The circuit breaker housing (4) includes a number of arc chute vents structured to exhaust arc gases.
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