The performance of the long tube is proved to be worse than that of the long rod with the same mass, length and density.

长管体的侵彻能力小于同长度同质量同密度的长杆体的侵彻能力。

youdao

The specific kind of composite targets can only have good defence effect for the long rod penetrators with certain velocity.

特定组成成分的陶瓷复合装甲只对一定速度范围内的侵彻体有较好的防御效果。

youdao

The top of the long rod is fixedly connected with the bearing frame, and the casing is fixedly connected with the transverse walk frame.

长杆的顶端 与承重架固定连接，套管与横向行走机架固定连接。

youdao

In his love of angling for trout and other freshwater fish, Walton used a long rod of spliced ash and hazelwood, with a line of about the same length as the rod, made out of woven hair from a horse's tail.

WSJ: It Has Hooked Generations of Fishermen | Izaak Walton | The Compleat Angler | By H. George Fletcher

So successful was the bank that under Cosimo de' Medici, who ruled it with an iron rod, the Medici were for a long while put in charge of papal finances.

ECONOMIST: Millennium issue: Banking

It was offered together with his Nobel diploma, a handsome two-page vellum document that contains an original picture of a long-haired youth in a blue tunic holding the Rod of Asclepius.

WSJ: Francis Crick's Nobel medal sells for over $2M