海船船员考试
单选题A low HDOP (Horizontal Dilution of Precision) number such as 2 indicates a （）.A poor fixB good fixC poor signal qualityD good signal quality
题目
poor fix
good fix
poor signal quality
good signal quality
参考答案和解析
相似问题和答案
第1题：
The 10-cm radar as compared to a 3-cm radar of similar specifications will ______.
A.be more suitable for river and harbor navigation
B.provide better range performance on low lying targets during good weather and calm seas
C.have a wider horizontal beam width
D.have more sea return during rough sea conditions
10cm雷达类似规格的3m雷达作比较有更宽的水平波束宽度。
第2题：
A low HDOP (Horizontal Dilution of Precision) number such as 2 indicates a ______.
A.poor fix
B.good fix
C.poor signal quality
D.good signal quality
第3题：
A、its speed
B、its gain
C、the accuracy of the reference voltage
D、the number of binary bits
第4题：
稀释效应 dilution effect
正确答案: 又称“生长稀释效应”。由于植物生长量的增加，使干物质中某元素浓度被稀释而下降的现象。
第5题：
使进度条控件以条形方式显示的样式是？（）
- A、type=“？andriod：attr/progress Bar Style Horizontal”
- B、style=“？andriod：attr/progress Bar Style Horizontal”
- C、style=“？andriod：progress Bar Style Horizontal”
- D、type=“？andriod：progress Bar Style Horizontal”
正确答案:B
第6题：
Constant cooling the various components of diesel engine has a number of functions except for ______.
A.good lubrication
B.low thermal stress
C.good mechanical properties
D.acid corrosion
第7题：
稀释〔压水堆〕 dilution
正确答案:反应堆运行过程中，通过补给水降低反应堆冷却剂的硼浓度以增加反应性的一种控制方式.
第8题：
已知、max_number_of_sdcch=24、number_sdcch_preferred=16、sdcch_need_high_water_mark=4、sdcch_need_low_water_mark=16，当sdcch被占用几个时TCH会向sdcch转换()。
A.24
B.21
C.12
D.13
第9题：
Which statement correctly describes network security settings in Cisco Network Assistant for the Catalyst Express 500 Switch？（）
- A、The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch port
- B、The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.
- C、The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch port
- D、The default network setting is "HIGH"
正确答案:B
第10题：
Which of the following statements is TRUE concerning the po column of the vmstat command？（）
- A、 The sys is high when po is high.
- B、 The po represents the number of page steals.
- C、 The low values usually indicate insufficient paging space.
- D、 The low values usually indicate sufficient memory for the load.
正确答案:D