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double convex

earth.sc. 双凸面
tech. 双凸; 两面凸
double-convex [ˌdʌblkɒn'vεks, -kɑːn'-]
auto. 两面凸的
space 双凸形的
double- convex
: 6 phrases in 4 subjects
Bridge construction1
Construction1
Physics1
Technology3

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