限制因素

The height is less of a limiting factor than anteriorly,because of the muscle action in this region, especially in the area of the tuberosity sulcus.

相对其前部，此区尤其是上颌结节，由于肌肉运动较少，所以对基托翼缘高度的限制因素较少。

Rubber anthracnose, one of leaf diseases infecting rubber trees, has emerged as a major constraint to natural rubber production in recent years.

橡胶炭疽病是橡胶树重要的叶部病害之一，已成为影响天然橡胶产量的主要限制因素。

Based on the principles of autocatalysis and the theory of entropy, this paper tries to discuss and attest the autocatalytic mechanism in systems which cause general S curve.

运用熵理论和自催化原理对系统发展过程中普遍存在的 S型曲线的成因进行了论述和证明，指出系统出现 S型发展曲线是由系统的自催化机制和系统的限制因素共同作用引取。

This study showed that the most important fitness indicator for Taiwan is the amount of physical activity, including time and intensity of participation. The first concern of government should be the increase in number of people participating in physical activity and to make exercise as part of life style. Increased amount of physical activity could reduce the risk for many chronic diseases. The yearly fitness test should focus on the amount of physical activity conducted, the socioeconomic information, and the baffler of engaging physical activity.

本研究的结果显示，当前我国最重要的课题应在於提升运动人口，培养国民运动习惯，最重要的体适能指标应为身体活动量，包括参与运动的时间和强度；增加身体活动量可降低各种慢性病罹患机率，每年的体适能检测应以调查民众身体活动量为主，并包含社会经济地位与参与身体活动的限制因素等资料，以作为制定政策的参考。

This is due to a number of constraints including lack of capacity, data, information and resources.

这是因为一些限制因素，包括缺少能力、数据、信息和资源。

The land supply becomes one of the main constraints to economic development.

土地的供给成为影响经济发展的主要限制因素之一。

In China, especially in North China, drought is the most serious limiting factor for agricultural production.

在我国，尤其是北方，干旱是农业生产最严重的限制因素。

Drought is one of the main factors limiting maize production in China.

干旱是我国玉米生产的主要限制因素之一。

Drought stress is one of the major limitations to plant growth and development.

干旱胁迫是影响植物生长发育的主要限制因素之一。

The Geobiology and Astrobiology group researches on Geobiology studies of the interactions that occur between the biosphere and the geosphere, and Astrobiology studies of the big bang, progressing to the destiny of man, the limits of life and habitability on our planet, organisms in certain condition, and the detection of extraterrestrial life.

该研究组主要研究地理生物学，包括生物圈和岩石层之间的相互作用，和太空生物学研究，包括宇宙大爆炸，人类的命运，地球上生命和居住环境的限制因素，一定环境下的有机体，以及宇宙生命的探索。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。