| 黑匣子 | hēi xiá zi | (airplane) black box | ![]() |
| 黑箱 | hēi xiāng | black box / flight recorder / opaque system (computing) | ![]() |
| 黑盒子 | hēi hé zi | black box | ![]() |
| 飞行记录仪 | fēi xíng jì lù yí | flight recorder / black box | ![]() |
| 飞行记录器 | fēi xíng jì lù qì | flight recorder / black box | ![]() |
| 黑盒 | hēi hé | black box / fig. system whose internal structure is unknown | ![]() |
| 黑箱子 | hēi xiāng zi | black box (aviation), (systems theory) | ![]() |
