frame selection

• 框架选取

frame selection的用法和样例：

例句

1. Sample selection error -improper sample design or sampling procedure execution.
   白天在商场选取女性应答者可能就把职业女性排除在外。
2. You can also take one frame and overlay it onto another as a transparency, letting you trace over your work.
   你能选取一个结构然后覆盖它到另外的幻灯片上，让你自己描绘作品。