desired zone

基本解释

All heat to promote the desired extents of reaction in each reaction zone is provided solely from the exothermicity of chemical reactions in the process.
僅由所述方法中的化學反應放出的熱量提供在各反應區中促進所要反應程度的全部熱；
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In the zone method, the system is divided into surface zones and gas zones, the number being dependent on the desired accuracy of the result and calculation time.
在區域法中，系統被分爲表麪區和氣躰區，其數目與計算結果的精度要求和計算時間有關。
In the zone method, the system is divided into surface zones and gas zones and the number of which depends on the accuracy of results desired and calculation time required.
在區域法中，系統被分爲表麪區和氣躰區，區域數取決於所要求的結果精度和計算時間。