始祖鸟并没有表现出明显的滑翔机的特征，比如有一层连接前肢和后肢的宽膜。

Archaeopteryx shows no obvious features of gliders, such as a broad membrane connecting forelimbs and hind limbs.

youdao

与号角连接的高频驱动单元是一个频响平滑宽广的2“侯管(2.5”音圈振膜)的钕磁钢精密高频压缩驱动器。

Connected with the high-frequency horn driver is a smooth and wide frequency response 2 "Hou tube (2.5" voice coil diaphragm) neodymium magnet compression driver high frequency precision.

youdao

用氧化铍连接铝制成的厚膜浆料中镉和氧化镉的替代物仍然不切实际。

The substitution of cadmium and cadmium oxide in thick film pastes used on aluminium bonded beryllium oxide is currently not practicable.

youdao