哪种晶界能有效阻止滑移并且增加材料强度? A: small-angle grain boundaries B: twin boundaries C: big-angle grain boundaries D: large grains

‌哪种晶界能有效阻止滑移并且增加材料强度?‍ A: small-angle grain boundaries B: twin boundaries C: big-angle grain boundaries D: large grains

There should be no national boundaries in _________ protection.

‎There should be no national boundaries in _________ protection.‏

（）is a measure of the market value of all goods and services within the boundaries of a nation.

True or False: Determining the class boundaries of a frequency distribution is highly subjective.

The difference between international tourists and domestic tourists is whether they cross the national boundaries or not.

The most common way that interests in real property are defined is by the physical boundaries of the land owned.

Boundaries of the global village are drawn by the major economic powers—the United States, China, and Japan.

‏点缺陷包含的类型 ‌ A: Vacancy B: Interstitial C: Dislocation D: Boundaries