在线词典
在线词典，是一款在线使用的中英文查词词典。本工具支持查询英文和中文单词及词组的含义，查询效率高、结果丰富，包括单词变体、常用短语、英英释义、同义词、同根词、词语辨析等，是外语学习者必备的在线查词工具。
输入要查询的单词：
focal surface
查词链接：
https://www.dute.org/dict/focal_surface复制链接 焦曲面；焦面
查看英英释义
abstract:
For a surface in three dimension the focal surface, surface of centers or evolute is formed by taking the centers of the curvature spheres, which are the tangential spheres whose radii are the reciprocals of one of the principal curvatures at the point of tangency. Equivalently it is the surface formed by the centers of the circles which osculate the curvature lines.
网络释义
焦曲面
... focal power 光焦度 focal surface 焦曲面 fock representation 福克表示 ...
焦面
... focal spot 焦斑 focal surface 焦面 focal zone 聚焦带 ...
焦斑
... 焦球 focal spot 焦斑 focal surface 聚焦带 focalization ...
常用短语
更多常用短语近义词
焦曲面；焦面
正在查询...
{error}
你是不是想查找：
- {typos}
{word}
{phones} {trans} {trans_ee} {exam_types}{web_trans} {variants} {phrases} {synonyms} {rels} {discriminations} 查词链接：
{link}复制链接{phones}
{text}：[{value}]{trans}
{trans}
{pos}
{tran}
{tran}
查看英英释义
{trans}
{pos}
{list} {tran}
{words}{word}同义词： {words}
{pos}
{words}
{exam_types}
单词变体
- {variants}
常用短语
- {phrases}
网络释义
{web_trans}
{tran}
{detail}
近义词
{synonyms}
{pos} {tran}
{words}
同根词
{rels}
{pos}
{words}
{word}{tran}
词语辨析
{discriminations}
{num}、{title}
{description}- {usages}
{description}