a bifocal view的用法和样例：
- Our room opened upon a view of the bay.
- Common focus point migration (CFP), which is a bifocal migration method that focuses both in emission and detector, is a new seismic imaging method that is based on the principle of equal traveltime.
共聚焦点 (CFP)偏移 (激发聚焦和检波聚焦的双聚焦偏移 )是一基于等时原理的地震成像方法。
- From every window head is crane for a view of it.
- He did the deed in view of a crowd of people.