1. Complexity theory is the study of tractability by computer; 复杂性理论是易处理计算机的研究;
2. Howeer, this requirement may be met by using a supplier designated number cross—referenced with clear tractability back to the customer. 然而,通过相互参照,若能明确追溯至顾客,则使用供方指定的编号也是符合此要求的方法。
3. It was pointed out that the function of profile and the tractability of the extrusion mould must be considered when we designed the profile section. 指出塑料异型材截面设计时要从保证制品的功能性及挤出模具的易加工性等方面加以考虑。