英语释义

• a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)

• a minute epidermal pore in a leaf or stem through which gases and water vapor can pass

片语

jejunum stoma空肠造口

sunken stoma内陷气孔

esophageal stoma食管吻合口

stoma recurrence吻合口复发的

stigmata气孔；皮肤红斑

Stoma apothesis造口还纳

stoma openings气孔开张度

Stoma a气孔

pore(Pore) （美、印）波雷（人名）

stoma appliances造口用品

stoma frequency气孔频率

英汉例句

• the method for measurement of the length of stoma guard cell was proved to be a simple way of estimating ploidy of the regenerated plants.

  通过测量气孔保卫细胞长度来评估再生植株的染色体倍性是一种简单可行的方法。

• air temperature, leaf temperature, vapor pressure deficit and stoma conductance were the key factors affecting transpiration, and the effects would be different in different growing stages.

  空气温度、叶面温度、饱和水汽压差和气孔导度是影响水稻的蒸腾速率的关键因素，并在水稻不同生育阶段表现不同的影响程度；

• it showed that there were obvionsdifferences in stoma size among the exmined plant materials and amongstomata on one leaf.

  结果表明：不同品种气孔大小差异很大，同一叶片上气孔大小也不相同；

• stoma (pl. stomata) one of a large number of pores in the epidermis of plants through which gaseous exchange occurs.

  植物叶片表皮存在的数目众多的小孔，打开时允许气体自由出入进行交换。

• we had researched leaf epiderm of soybean by electron microscope, and found there were hairs, gland-like structural substance and stoma on leaf epiderm.

  本文对大豆叶表皮进行了电子显微镜观察，结果表明大豆叶表面有毛、腺体和气孔等；

• the mechanism of stoma and the differences of the correspondence of photosynthesis and transpiration to environmental changes were the physiological basis of wue at leaf level.

  气孔运动机制及光合作用和蒸腾作用对环境变化响应的差异是叶片水平wue的生理基础；

• the photosynthesis rate and stoma resistance increase, and transpiration rate decreases.

  光合作用速率和气孔阻力增加，蒸腾速率减小；

• 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.

  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。

• but stoma conductance and transpiration rate of treatment were lower than ck.

  而气孔导度、蒸腾速率均比对照组低；

• combined surveying stoma types of dicotyledonous plants survey of bacteria pollution in the air, investigating learning ways and routes were explored in biological scientific movements.

  结合《双子叶植物气孔类型观察》和《空气中细菌污染的监测》活动项目，探索生物科技活动中研究性学习的方法和途径。

• oxygen and carbon dioxide from the air enter through the stoma .

  空气中的氧和二氧化碳由气孔进入。

• they should also be constantly concerned in taking care and cleaning their stoma .

  他们还应该不断关注，在照顾和清洁他们的气孔。

• the soil water stress leads to the increase in stoma density.

  水分胁迫使气孔密度增加；

• this is usually a temporary stoma and may be closed at a second operation.

  这通常是暂时性的气孔和可能会被封闭在第二次手术。

• with co2 concentration enrichment, the leaf stoma density becomes small for c3 crops, but it shows the opposite tendency for c4 crops (maize).

  随着co2浓度升高，c3作物叶片气孔密度变小，c4作物（玉米）呈相反趋势；

• the stoma is of quadrilateral, and onlydistributes in lower epidermis.

  气孔属四列型，仅分布于下表皮；

• the stoma characters of both tetraploid and diploid anthuriums were comparatively investigated.

  对红掌四倍体和二倍体材料的气孔特征进行了研究。

• the method for measurement of the length of stoma guard cell could be used to identify ploidy.

  因此可利用测量气孔保卫细胞长度的方法鑒定花粉植株的倍性。

• typical stoma clusters were existed on the lower epidermis of the middle part of grape leaves.

  叶片中部下表皮存在典型的由气孔及其周围体形较小的气孔形成的气孔群。

• the results indicate: lower latitude, smaller horizontal scale, lower humidity and some vegetation with small stoma resistance are good to develop oasis.

  结果表明，能使绿洲扩大的主要条件是低纬度、小尺度，并具有低水汽、较高温度的环境以及较小气孔阻力的植被。

• after we dissected 4 breeds of benincasa hispid, we discovered that there are relationship the epidermis and cortex, the quantity of stoma for the antiseptic of benincasa hispida.

  通过对4种不同品种冬瓜果实的解剖研究，发现冬瓜的表皮和皮层特点以及气孔数量与冬瓜的防腐性能具有密切关系。

• different water supply levels significantly affected stoma apparatus length and width.

  不同施水量对幼苗的气孔器密度和大小也有显着影响。

• negative correlation between the transpiration rate and the stoma resistance also existed.

  蒸腾速率与气孔阻力呈显着负相关。

• a stoma is an opening through which carbon dioxide goes in and oxygen and water vapor escape.

  气孔是二氧化碳进入而氧气和水蒸气逸出的开口。