standard element是什么意思

网络释义

用法例句

Study on the relation of the standards,quality and praduction of the chemical products;

试论化工产品的标准、质量和生产的关系

Discussion of Perfecting Standard System of Domestic Ecological Textiles;

浅论我国生态纺织品标准体系的完善

Acceptance standards and attention needing issues related to mining project construction;

矿山建设项目竣工验收标准和应注意的问题

Wrought aluminum sheet tolerance contrasts between foreign and Chinese standards;

国内外变形铝合金板材标准尺寸偏差对比

Review of management regulations and standards on food additives in the world;

国内外食品添加剂管理法规与标准概述

On the assessment methodology and standards for nutrition status in channel type reservoirs based on zoning of eutrophication sensitivity;

河道型水库基于敏感性分区的营养状态标准与评价方法研究