单选题
发布日期:2021-03-22
operation of electrical equipment and generators on board ship
the earth's magnetic field affecting the ship's hard iron during construction
the horizontal component of the earth's magnetic field acting on the horizontal soft iron
the vertical component of the earth's magnetic field acting on the vertical soft iron
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
下列各项中哪一项不属于应用慢性支气管炎的诊断标准()
在加涅的学习结果分类中,表现为身体运动的迅速、精确、力量、连贯等方面的属于()
皮内注射法实施中的注意事项有哪些?
响度是客观量,可以用任何仪器正确地测量。
在一排10个花盆中种植3种不同的花,要求每3个相邻的花盆中花的种类各不相同,问有多少种不同的种植方法?( )
下述部位CT扫描检查需口服对比剂的是()
土地利用专项规划也可不划分行政范围,如为了流域的水土保持而进行的流域治理规划;为了改照培肥土壤而进行的土壤改良规划;为了防风固沙而进行的绿化规划。
监理单位不得转让监理业务。
人员因素引起的操作风险有()。
使口腔保持中性,避免损伤口腔组织是唾液的( )。
暂无相关推荐~
Permanent magnetism is caused by().
This induced magnetism()the permanent magnetism already present in the ship.
Permanent magnetism is found in().
The permanent magnetism of a vessel may change in strength due to().
The permanent magnetism of a vessel may change in strength due to().
The permanent magnetism of a vessel may change in polarity due to().
What is used to correct for both induced and permanent magnetism,and consequentl...
Induced magnetism is found in().
At the magnetic equator there is no induced magnetism in the vertical soft iron ...
The magnetism in the various structures of a ship changing as a result of cruisi...