back surface

基本解释

The back surface of the loft could even be used as a movie screen.(Link)
甚至阁楼背面可以利用作为电视屏幕。
The SH1294M is designed specifically for stage monitor use, and is equipped with four rubber feet on each back surface for non-skid, stable positioning on either surface.
该SH1294M是专为舞台监听使用，并与每4个非背面防滑，表面上可以稳定定位橡胶脚装备。
However, the damage modes of the impact surface and the impact back surface for composite laminate 5224/G827 are shear fracture of fiber and substrate and delamination respectively.
而5224/G827层合板冲击正面在压缩载荷作用下为纤维基体剪切断裂失效，冲击背面则以分层损伤为主。

Then the snow's surface will help to send back sound waves.
It will surface back up in another piece of work or another idea at some point in your life.
在某个时刻，旧点子会以另一种形式重新出现,或者另一个想法在会出现在你的生活中。
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It's firmly adherent to the surface here, it's firmly adherent at the back here, and in between its trying to pull these ends closer together, you can imagine that that's what it's doing, and in fact, that's one of the functions of fibroblasts.
它紧紧地粘附在表面这儿,又紧密的粘附在后面这儿,试着在中间将创口两端拉紧到一起,你可以想象一下这个场面,事实上,这只是成纤维细胞的功能之一
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In other words, it occupies roughly the same dimensions, but the taper on the back surface does a compelling job of making this feel thinner.
ENGADGET: Amazon Kindle Fire HD review (7-inch)