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- With the ocvation increasing,the stomataldensity on adaxial and abaxial surface of the leayes,the protruding degree of the stomatal appara-tus,the substomatic chamber and the stomatal aperture are increased. 結果表明：隨海拔升高，植株葉片上氣孔分布區域增大，葉兩面氣孔數量增加，氣孔向外突起程度增加，孔下室及氣孔張度增大。
- substomaticadj. 氣孔下的
- substomaladj. 氣孔下的
- substomatic cavity 氣孔下腔
- substomatic chamber 氣孔下室
