These acoustic methods are now expected to be useful for the long-range remote sensing of schools of fish as well as for distant ocean bottom characterizations.
This was written in English.
A: It's impossible to say

A weapon with a telescoping bolt (also known as an overhung bolt) is one with a bolt which telescopes over, that is, wraps around and past, the breech end of the barrel. This feature reduces the required length of a weapon such as a submachine gun significantly, and it allows rifle designs to be balanced around the pistol grip in a way that gives "pointability" similar to a pistol's.
An overhung bolt is also known as a telescoping bolt.
A: Yes

How to survive marine boot camp<br>Learn to swim before boot camp if you don't know how. You will most likely wash out of boot camp if you can't swim. Passing a swimming exam is a major part of getting through boot camp.
You don't have to learn to swim before getting to boot camp.
A:
No