更多"By day，the horizontal motion of a w"的相关试题:
[单项选择]Horizontal transverse motion of a vessel is known as（）.
A. pitch
B. surge
C. sway
D. heave
[单项选择]Horizontal fore or aft motion of a vessel is known as（）.
A. pitch
B. surge
C. sway
D. roll
[单项选择]（）day，pilot flag should be displayed from main mast．
A. From
B. By
C. on
D. With
[单项选择]AR—3460、AR—4460光谱的WinOE软件主菜单由（）个部分组成。
A. 3
B. 4
C. 5
D. 6
[单项选择]A sidereal day is shorter than a solar day. This difference is due to（）.
A. irregularities in the daily rotational rate of the Sun
B. the space motion of the solar system
C. the precession of the equinoxes
D. the use of different reference points
[判断题]在厂商短期均衡产量上，AR＜SAC，但AR＞AVC，则厂商亏损，但应继续生产。
[单项选择]An icebreaker displaying a flag hoist which consists of the code letters “WO” (Whiskey Oscar) is indicating that（）.
A. icebreaker support is finished
B. icebreaker support is commencing
C. the icebreaker is icebound
D. the icebreaker is beset
[多项选择]Which three statements about Syslog utilization are true?（）
A. Utilizing Syslog improves network performance.
B. The Syslog server automatically notifies the network administrator of network problems.
C. A Syslog server provides the storage space necessary to store log files without using router disk space.
D. There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
E. Enabling Syslog on a router automatically enables NTP for accurate time stamping。
F. A Syslog server helps in aggregation of logs and alerts.
[单项选择]为了减少淬火冷却残余应力和畸变，将钢件奥氏体化后先较缓慢地（一般在空气中）冷却到略高于Ar3（或Ar1）点，然后进行淬火冷却的热处理工艺称为（）淬火。
A. 双液
B. 分级
C. 等温
D. 预冷
[单项选择]平均收益（AR），指厂商销售每个单位产品平均得到的收入，即单位产品的价格。当某厂商的平均收益（AR）曲线从水平线变为向右下方倾斜的曲线，这说明（）
A. 有厂商进入该行业
B. 完全竞争被不完全竞争所取代
C. 厂商间的竞争趋于激烈
D. 原厂商退出了该行业
[单项选择]The pilot launches display the pilot flag（）.
A. at night
B. by day
C. when in fog
D. in bad weather
[单项选择]An orange flag showing a black circle and square is a（）.
A. Signal indicating a course change
B. Distress signal
C. Signal of asking to communicate with another vessel
D. Signal indicating danger
[单项选择]A rigid replica of the International Code flag A may be shown by a vessel（）.
A. pulling a submarine cable
B. engaged in diving operations
C. engaged in underway replenishment
D. transferring explosives
[单项选择]FSC（Flag State Control）检查是（）
A. 船旗国对其所属船舶进行的有关船舶和人员安全为对象的专门检查
B. 船旗国对其所属船舶进行的有关以防止海洋污染及船舶技术状况为对象专门检查
C. A+B
D. 以上都不对
[单项选择]A number of biological sewage treatments plants are in use at sea but nearly all work on the principle called （）
A. deoxygenating
B. extended aeration
C. oxygenating
D. bubbling air
[单项选择]An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship as a （）.
A. magnetic amplifier
B. ship’s service alternator
C. three-wire DC generator
D. saturable core reactor
