adj.代理的；代用的；取代的
Is there substitutional article? 有取代的物品吗？
Show that it is possible to make the substitutional alloy brass. 试说明制造替代式合金黄铜。
Copper-zinc alloys are called substitutional alloys. 铜锌合金叫做替代式合金。
Is chili not hot how to do? Is there substitutional article? 辣椒不辣怎么办？有取代的物品吗？
Aim To identify the substitutional positions of dicaffeoylquinic acid. 目的 确定二咖啡酰喹宁酸的取代位置。
Also considers structural features: grain size, interstitial and substitutional solutes, precipitates, second-phase particles, and eutectoids. 亦考量结构特征如：晶粒、有格隙型固溶体和置换型固溶体、析出物、第二相颗粒和共晶。
