“variable-focus condenser”的概念、定义、翻译、参考文献-科学参考

单词	variable-focus condenser
释义	variable-focus condenser [`ver·ē·ǝ·bǝl ¦fō·kǝs kǝn`den·sǝr] ^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.
随便看	ich ichneumon Ichneumonidae Ichneumonoidea ichnite ichnofacies ichnofossil ichnography ichnolite ichnology ichor ichthammol ichthyism Ichthyobdellidae ichthyocolla Ichthyodectidae ichthyology ichthyophagous ichthyophobia Ichthyopterygia Ichthyornis Ichthyornithes Ichthyornithidae Ichthyornithiformes ichthyosarcotoxism

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