（）generally indicates that a gale or storm is approaching.
A hot air start pipe indicates that there is （）.
A light characteristic of composite group flashing indicates that there is a(n)（）.
A combination combustible gas and oxygen indicator is an instrument that measures the（） of both combustible gas and oxygen; each is indicated on a separate meter.
In the refrigeration system, a shortage of refrigerant is indicated by （）.
The ignition quality of a diesel fuel is indicated by the （）
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
The indication of a slipping anchor is a(n)（）.
How is variation indicated on a small-scale nautical chart?（）.
A refrigeration system compressor crankcase is sweating or unusually coldThis is an indication of（）.
An instrument that indicates wind direction is known as a(n)（）.
A signal indicating zone time is preceded with the letter（）.
A drift lead indicates that the vessel is dragging anchor when the line is（）.
A combustible gas indicator is used to determine （）.
A topic sentence is like a road sign that can indicate the direction.
Is cost a KPI (Key Performance Indicator) or a KDI (Key Development Indicator)?
Is profit a KPI (Key Performance Indicator) or a KDI (Key Development Indicator)?
Is learning a KPI (Key Performance Indicator) or a KDI (Key Development Indicator)?
Which indicates a man who is an expert at calligraphy?
Is motivation a KPI (Key Performance Indicator) or a KDI (Key Development Indicator)?
\First and foremost\ is a sign, indicating that ____.
131. How is variation indicated on a small-scale nautical chart?
A(n) ___ term is used to indicate a response to a possible objection.
图所示无源网络N外接US=2V, IS=2A时, 响应I =10A。当US=2V，IS=0A时, 响应I =5A。现若US=4V，IS=2A时，则响应I为多少？
