Six Settings control flash power up to guidenumber 40 at ISO 100.
六设置控制闪光功率高达引导的ISO 100的数字40。
2
The ratio of needs and number of helpers will guide this procedure.
需要救助的比例和救援人员的数量将指导这一过程。
3
The new map, and research that builds upon it, will help guide researchers who attempt to address this and a number of other unresolved questions about PM2.5.