Substitution of critical raw materials in, for example, electronics and power tools also offers excellent opportunities for finding solutions for raw material problems.
关键原料的替代，譬如在电子和电动工具方面，也为解决寻求原材料难题提供了绝佳的机会。
Substitution of original high strength aluminium alloys by improved materials can lead to performance and life improvement of these components.
用新改进的高强度铝合金来代换老龄飞机的老材料有可能提高构件的性能及寿命。
The single segment substitution lines(SSSLs) were perfect materials for analysis of gene especially for QTL.
单片段代换系是进行基因分析特别是QTL分析的理想材料。
The single segment substitution lines(SSSLs) were perfect materials for analysis of gene especially for QTL.
单片段代换系是进行基因分析特别是QTL分析的理想材料。
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