对驻厂质量监督的必要性和意义进行了分析。
An analysis is made of the necessity and significance of mill-based quality supervision.
论述了加强矿产特别是隐伏矿勘查的必要性和意义。
The necessity and the significance of mineral resources exploration, especially concealed deposits, is discussed also.
第二章阐述了在小学英语教学中使用形成性评价的必要性和意义。
Chapter two aims to show the necessity and significance of applying formativeassessment in primary school English teaching.
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