检查主轴机构的精度，不仅需检查静态条件下的精度，也需检查动态条件下的精度。
参考答案：对
把下面的句子翻译成现代汉语。
（1）亲贤臣，远小人，此先汉所以兴隆也。
译文：_____________________________________
（2）此臣所以报先帝而忠陛下之职分也。
Your vessel has a midship engine room and the cargo is concentrated in the end holds.The vessel is（）.
A.sagging with tensile stress on main deck
B.sagging with compressive stress on main deck
C.hogging with tensile stress on main deck
D.hogging with compressive stress on main deck
