Digital Selective Calling means a technique using（）which which enables a radio station to establish contact with, and transfer information to another station or group of stations and complying with the relevant recommendations of the CCIR.
Fire and lifeboat stations are required to be listed on the （）.
We packed up the things wehad accumulated (积累) over the last three years and left.
（）means a technique using digital codes which enables a radio station to establish contact with, and transfer information to another station or group of stations and complying with the relevant recommendations of the CCIR.
Fire and abandon ship stations and duties may be found on the（）.
Information from the stations and installations shall be appropriatelysharedby（）.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
During jacking operations and transit，empty void spaces in the hull of a jack up ship provide（）.
Uncharted lights，fog signals and radar beacon transmissions may be（）near the station.
Two database users， Jack and Bill， are accessing the Certkiller STAFF table of the Certkiller DB database. When Jack modifies a value in the table， the new value is invisible to Bill. Which is the modified value invisible to Bill？（）
Left and right represents the ritual of the ancestral shrines on the left and altar of Gods of Land and Grain on the right in The Rites of Zhou·Records of Construction .
The fork is held with the left hand and the knife held with the right.
The heart consists of the right and left ventricles and the right and left atria.
He hurried to the bus station, ________ find that the bus had left.
No sooner ____ to the station ____ the train left.
Jill and Jack are the bride and the bridegroom at the wedding ceremony.
Jack and not I_____the Great Wall twice.
The couple had no sooner got to the station______the coach left.
You needn't look to the right and left in England.
Jack and Ben, both seriously ill, occupied the same hospital room. Jack, __（1)__ bed
看图，完成句子。 1. Last year, Maomao to Qingdao and her friend. 2. Last summer, Xiaoyong to Haikou and in the sea. 3. Last month, Jack _ _ to Dalian and in the park.
When I was walking down the street the other day, I happened to notice a small brown leather wallet lying on the sidewalk. I picked it up and opened it to see if I could find out the owner's name. There was nothing inside it except some change and an old photograph—a picture of a woman and a young girl about twelve years old, who looked like the woman's daughter. I put the photograph back and took the wallet to the police station, where I handed it to the desk sergeant. Before I left, the sergeant took down my name and address in case the owner might want to write and thank me.
An astronaut has left the International Space Station to test a new space scooter. Her partner measures the following velocity changes, taking place in a 10s interval. At the beginning she is moving t
--Excuse me.Could you please tell me how to get to the station？一Turn left at the first light.You can't （) it.
