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单词
variable-focus condenser
释义
variable-focus condenser
variable-focus condenser
[
′ver·ē·ə·bəl ¦fō·kəs kən′den·sər
]
(optics)
A condenser that is used to obtain a large illuminated field area, and has two lenses, the first of which can be adjusted to bring light to a focus between the lenses.
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更新时间:2025/1/31 12:10:30