A towing light is a yellow light having the same characteristics as a(n)（）
A light characteristic of composite group flashing indicates that there is a(n)（）.
A boundary between two air masses is a(n)（）.
A metal ring on the bottom of a block，to which the standing part of a tackle is spliced，is known as a(n)（）.
A radar display in which North is always at the top of the screen is a(n)（）.
Fog is most commonly associated with a(n)（）.
A gnomonic projection is based on a(n)（）.
The indication of a slipping anchor is a(n)（）.
A continuous watertight bulkhead on a ship is normally also a(n)（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
An occluded front is caused by a(n)（）.
The splice designed to pass easily through a block is called a(n)（）.
A green buoy has a yellow triangle on it. This is a(n)（）.
An example of a modern anchor which has a stock is a(n)（）.
A partial deck in a hold is called a(n)（）.
A quick and rapid motion of a ship in a seaway is an indication of a(n) （）.
A payment to an owner is called a(n):
A sling psychrometer is a(n) ______.
In C, it is appropriate to say that a string is a(n) _________.
A boundary between two air masses is a (n) ______.
A(n) ___ term is used to indicate a response to a possible objection.
A generally circular low pressure area is called a (n) ______.
If a=5、b=6、c=7、d=8、m=2、n=2, what is the value of n, when the following statement is executed?(m=a>b)&&(n=c>d)
A（n) is a list of unfamiliar terms and abbreviations______.
