The first record contains the number, n, of distinct type of assignments that contribute to the final grade; for example, quizzes, tests, exams, and so on.
第一个记录包含形成期末成绩的不同类型的任务的数量，n，举例来说，小测验、测试、考试，等等。
As your project matures, you can lean on the compiler and test framework as you refactor into an n-tier, enterprise-grade application. Or not.
随着项目的成熟，在把应用系统重构为n -层企业级别的应用系统时，你可以依赖或者不依赖编译器和测试框架。
Nano-hydroxyapatite slurry (n-HA) was used to make composite with medical grade polyamide 66 (PA66) and high-density polyethylene (HDPE).
应用纳米羟基磷灰石（nHA）、聚酰胺66（PA66）和高密度聚乙烯（HDPE）制备了生物医用复合材料。
Bionic acicular nano hydroxyapatite(n HA) was used to make composites with medical grade polyamide (Poly hexamethylene adipamide) by solution blend.
通过溶液共混法制备了羟基磷灰石纳米针晶与聚己二酰己二胺生物医用复合材料。
Bionic acicular nano hydroxyapatite(n HA) was used to make composites with medical grade polyamide (Poly hexamethylene adipamide) by solution blend.
通过溶液共混法制备了羟基磷灰石纳米针晶与聚己二酰己二胺生物医用复合材料。
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