|
71. | focus calibration tape |
| 焦距校正带 |
|
|
| |
72. | focus of infection |
| 感染灶;疫源地;疫灶区;传染灶;传染中心 |
|
|
| |
73. | focus solar collector |
| 聚光型集热器 |
|
|
| |
74. | variation of focus |
| 聚焦变化 |
|
|
| |
75. | focus-coil assembly |
| 电磁聚焦组件;聚焦线圈系统;聚焦线圈系统 |
|
|
| |
76. | a focus control |
| 调焦装置 |
|
|
| |
77. | Ulji Focus Lens |
| Ulji聚焦镜 |
|
|
| |
78. | focus current regulator |
| 聚焦稳流器 |
|
|
| |
79. | optical focus switch |
| 光聚焦开关;光学聚焦转换开关 |
|
|
| |
80. | soft focus lens |
| 软焦点镜头 |
|
|
| |