选择题：迅速进入图框精确裁剪的编辑状态可使用(),迅速结束图框精确裁剪的编辑状态可使用()

具早熟性芽的树种易于整形,易早果.( )

What are the differences between full－duplex Ethernet and half－duplex Ethernet?()

生产中常用的嫁接方法有()。

Refer to the exhibit. All multilayer switches are running PIM dense mode. Recipient A and

()是种子内贮藏养分的组织。