carrier单词什么意思_carrier单词解释 carrier的反义词carrier的例句

名词搬运人; 运输公司; 搬运器; [医学]带菌者

1. 载波：图十四是另一个例子;我们知道6GHz 载波(Carrier)的Power level,则我们将它当做Mean Output Power的参考位准. 经过数位调变后信号往旁边分散下跌21dB,而此时频谱分析仪所使用的RBW=300kHz. 我们要将此值换算成规范中的RBW=4kHz时的dB值:21 10(log(240/4)=38.8 dB

2. carrier：carr; 载波，载体，运营商

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1. 运输工具;(尤指)军车,运输舰
A carrier is a vehicle that is used for carrying people, especially soldiers, or things.

e.g. There were armoured personnel carriers and tanks on the streets...
街上有装甲运兵车和坦克。
e.g. Deliveries are made by common carrier or van line.
货物运输采用普通货车或厢式货车。

2. 客运航空公司
A carrier is a passenger airline.

e.g. Switzerland's national carrier, Swissair, has been having a hard time recently.
瑞士的国有航空公司——瑞士航空公司，最近日子很不好过。

3. 携带病菌者;带菌者
A carrier is a person or an animal that is infected with a disease and so can make other people or animals ill.

e.g. ...an AIDS carrier.
艾滋病病毒携带者
e.g. ...carriers of disease such as mosquitoes and worms.
蚊子、蠕虫之类携带病毒的昆虫

noun

1. (genetics) an organism that possesses a recessive gene whose effect is masked by a dominant allele
the associated trait is not apparent but can be passed on to offspring

2. a large warship that carries planes and has a long flat deck for takeoffs and landings

Synonym: aircraft carrierflattopattack aircraft carrier

3. a rack attached to a vehicle
for carrying luggage or skis or the like

4. a self-propelled wheeled vehicle designed specifically to carry something

e.g. refrigerated carriers have revolutionized the grocery business

5. a person or firm in the business of transporting people or goods or messages

Synonym: common carrier

6. (medicine) a person (or animal) who has some pathogen to which he is immune but who can pass it on to others

Synonym: immune carrier

7. a boy who delivers newspapers

Synonym: newsboy

8. someone whose employment involves carrying something

e.g. the bonds were transmitted by carrier

Synonym: bearertoter

9. a man who delivers the mail

Synonym: mailmanpostmanmail carrierletter carrier

10. a radio wave that can be modulated in order to transmit a signal

Synonym: carrier wave

11. an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction