深层 meaning in Chinese

deep (layer); deep (stratum)
◇深层采水 [海洋学] deep-casting; 深层语法 deep grammar

The lack of deep hardening in these alloys negates their use .
这些合金缺乏深层硬化能力使它们无法利用。
Zinc is brought up from lower horizons by plant roots, and is held in the resultant organic .
植物根系从土壤深层吸收锌素，并将其保持在所构成的有机残体中。
In a solid which is moderately low in available zinc, deep cuts may expose zinc-deficient subsoils .
土壤中含有效锌转低时，深层耕翻会使缺锌的底土暴露出来。
Evidence and the administrative enforcement of health laws
对行政执法的深层影响
On the underlying reasons for the disintegration of russia
论苏联解体的深层原因

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