I don’t think the professor was talking about his female students, but rather about the average woman in the Bay Area (but I don’t know for sure, of course). A

I don’t think the professor was talking about his female students, but rather about the average woman in the Bay Area (but I don’t know for sure, of course). Artillery distance just means 100 miles or something like that. I agree that saying “keep 100 miles from the Bay Area” would have sounded better, but I don’t think it’s that important (again, just how I read it).