高分辨率层序地层学有四大基本原理，即基准面变化原理、物质守恒原理、沉积物体积分配原理和相分异原理。
There are four basic principles in high-resolution sequence stratigraphy, which are base level change, substance conservation, volumetric partition, facies differentiation.
车前各器官干物质分配率在生育期间有较大变化。
The distribution rates of dry matter of its organs changed greatly during its growth period.
几天之后，测验封闭在里面的空气是否有放射性。如果有的话，说明营养物质多少已经产生代谢变化。
After several days, the enclosed atmosphere was tested for radioactivity, which might indicate that the nutrients had somehow been metabolized.
作为一门科学来给化学下定义就是，物质发生了化学变化，这种变化的结果就是不是有可能产生了新的物资。
We may define chemistry as the science in which we deal with the chemical change in matter as a result of which it is possible to form a new substance.
作为一门科学来给化学下定义就是，物质发生了化学变化，这种变化的结果就是不是有可能产生了新的物资。
We may define chemistry as the science in which we deal with the chemical change in matter as a result of which it is possible to form a new substance.
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