uncontrollable factor

UAV is flexible , easy to operate , low cost , safe and reliable . It can help to get rid of the limit of weather which is an uncontrollable factor .

无人机具有机动灵活、操纵简单、成本低廉、安全可靠等优点，它能够在一定程度上摆脱天气这一不可控因素对农业遥感的限制。

The individual variation may be caused by many factors , such as genetics , environment , disease stage and diet , etc , among which genetic polymorphism is a common and uncontrollable factor .

这种差异可能是由遗传、环境、疾病状态或饮食结构等诸多因素引起的。其中基因（遗传）多态性是导致药物代谢个体差异的较为常见且不可调控的因素。

Disaster , as a uncontrollable factor , runs through the whole process of human historical development , it derives from the natural variation , accelerates in mankind irregular activities and results in the human normal production .

灾害，作为非意志因素贯穿于人类历史发展的整个过程，它起源于自然变异，加速于人类非规律活动，结果于人类正常的生产、生活。

Macro-circumstance is an uncontrollable social factor for the medium organization , so , the medium can 't control the medium industrialization too . Medium can only adopt the corresponding way to fit the industrial structure in order to realize the best profit in the given condition .

宏观环境是媒介组织不可控制的社会因素，因而媒介产业结构也是媒介不可控制的，媒介只能在给定的条件下采取对策适应产业结构，以实现利润最大化。