carrier载波
IEEE802.3以太网采用_____协议以支持总线性结构，它的全称是()。A.STP，Spanning Tree ProtocolB.STP，Shortest Tree ProtocolC.CSMA/CD Carrier Sense Multicast Access/Collision DetectionD.CSMA/CD Carrier Sent Multicast Access/CRC DetectionE.CSMA/CD Carrier Service Multiple Access/Collision DetectionF.CSMA/CD Carrier Sense Multiple Access/Collision Detection
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下行同步信道包括P-SCH 和S-SCH，P-SCH和S-SCH的频域位置为DC carrier附近的72个子载波。实际上只占了62个子载波，其他10个不承载同步序列。()
DCD：Data Carder Detect，载波侦测指示，有时简称CD(Cartier Detect)。当调制解调器收到对方调制解调器送来的信号(载波Carrier)时，此灯会亮，代表已能和对方调制解调器传送【 】。
A clause in a bill of lading stating that the carrier would not be liable for any damage unless the shipper proved negligence or lack of due diligence on the carrier's part was held to be void because ________A.it shifted the burden of proof from the carrier to the shipperB.it shifted the burden of proof from the shipper to the carrierC.it denied the burden of proofD.it did not specify the burden of proof
Where both the carrier and the actual carrier are liable for compensation，they shall ______ be liable within the scope of such liability．A.separatelyB.jointlyC.severallyD.jointly and severally
If a container which has not been filled，packed，stuffed or loaded by the Carrier is delivered by the Carrier with the seal ______，such delivery shall be deemed as full and complete performance of the Carrier's obligation．A.IntactB.Properly usedC.PerfectD.Fully sized
术语翻译：Carrier（）
