A broad - band backfire antenna with LPD array as its feed is presented in this paper.本文介绍一种对数周期偶极(LPD)阵列作为馈源的宽频带背射天线.The San Antonio class Landing Platform Dock ( LPD ) hit the fleet in 2006.圣安东尼级登陆舰已在2006年服役.Objective ...
The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.If a vibrating string is lightly touched at its midpoint , its pitch...
The win revived glorious memories of his championship-winning days.这次胜利勾起了他对往昔那些夺冠岁月的美好回忆。What price a glorious repeat of last week's triumph?还有可能再次上演上周的辉煌胜利吗？In this living room we've mixed glorious floral pri...
The middle button of his uniform jacket was strained over his belly.制服上装中间的纽扣在他的肚子上绷得紧紧的。His face blanched as he looked at Sharpe's blood-drenched uniform.他一看到夏普浸满鲜血的制服，脸色顿时变得煞白。Drips of water rolled down the trouse...