Topographic factors : the undulation , lofty mountains , plateau , plain , low-lying land , slope direction and gradient etc of the earth surface all are the factors affecting crop growth and distribution .
地形因素地球表面的起伏,山岳,高原,平原,洼地,坡向,坡度等,这些都是影响作物生长和分布的因素.
The sinking in indonesia has been delayed by plate undulation , which has momentum once it starts and thus can be expected to continue unless other factors jump-start the sinking process .
Undulation machines represent a new dimension in human technology , indicating that human consciousness has become elevated to some degree .
波动机器是人类科技发展的一个新兴领域，同时也意味著人类的意识层次已经有了某种程度的提升。
To report to quality control manager on serious defects , serious property undulation on products , serious deviations on operations and daily inspection result .
