Slice a small hole in the side of a carrier bag and stretch it over the lens hood, fastening with a rubber band to keep it in place.
在一面切个小洞，绷在镜头的那个圈圈上，再用胶带粘牢。
2
The Navy has scheduled MH-60Rs equipped with the Ku-band capability for deployment as part of the USS Harry S. Truman (CVN 75) Carrier Strike Group in 2012.
海军已预定MH - 60r，并配备Ku波段能力，作为USS Harry S . Truman (CVN 75)号航母战斗群的一部分，将在2012年部署。
3
It is indicated that the boron doping promotes the growth of (111) face of the diamonds, enhances acceptor level, narrow 's band gap and increases carrier concentration correspondingly.