查询词典 fold up

two-fold axis：二次轴

"二维晶格(平面点阵)","two-dimensional lattice" | "二次轴","two-fold axis" | "二次对称轴","two-fold axis of symmetry"

two-fold chain：双链

"二次对称轴","two-fold axis of symmetry" | "双链","two-fold chain" | "二次旋转轴","two rotation axis"

two-fold coincidence：双重符合

two-fluid theory 二流体理论 | two-fold coincidence 双重符合 | two-fold diffraction 双重衍射

four-fold rule：四折木尺

Four-Flower jelly 四花软糖 | four-fold rule 四折木尺 | four-fold wooden rule 四折尺

four-fold axis：四重轴

four-flute taper-shank core drill 四槽锥柄心孔钻床 | four-fold axis 四重轴 | four-fold coupling 四重联轴节

coincidence, four-fold：四重符合

"五重符合","coincidence, five-fold" | "四重符合","coincidence, four-fold" | "多重符合","coincidence, multiple"

three-fold：三倍的

three-fluted drill 三槽钻头 | three-fold 三倍的 | three-fold block 三轮滑车

three-fold block：三饼滑车

three figure method 圆周法 | three fold block 三饼滑车 | three fold block 三轮滑车

Frill; Ruffles：小绉边褶; 荷叶边

Fold to Fold 折线到折线 | Frill; Ruffles 小绉边褶; 荷叶边 | Fringe 毛边

inverted boat-shaped stratum：覆舟层

覆舟层 inverted boat-shaped stratum | 倒扇褶皱 inverted fan fold | 倒转褶皱 inverted fold

Minstrel Show：化装黑人乐队的演出

show cause 提出正当理由 | minstrel show 化装黑人乐队的演出 | medicine show 走江湖卖药

punctual aspect：準時式;準時體;一次體

punched card 穿孔卡片 | punctual aspect 準時式;準時體;一次體 | punctuation 標點符號用法