| 单词 | slotted line |
| 释义 | > as lemmasslotted line 1. Having a slot or slots. spec. in Aeronautics: cf. slot n.2 2d. Also, slotted armature (Electrical Engineering), an armature having slots or grooves to contain the conductors; a slot-wound armature; slotted line, a length of coaxial cable or wave guide having a slot running lengthwise in its outer conductor to receive a probe for investigating standing waves. ΘΚΠ the world > space > relative position > condition of being open or not closed > an opening or aperture > [adjective] > having (a) hole(s) > having (a) slot(s) or slit(s) slotted1849 slitted1936 society > occupation and work > equipment > machine > parts of machines > other parts > [adjective] > other specific parts self-balancing1796 epicyclic1841 slotted1849 reversing1864 kinematic1876 self-aligning1889 knock-off1896 underslung1909 self-cancelling1933 knock-on1952 toleranced1953 select1974 society > occupation and work > equipment > machine > machines which impart power > motor > [noun] > armature of armature1834 shuttle armature1890 shuttle-wound armature1893 slot winding1900 slotted armature1902 the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > armature > [noun] > types of ring armature1873 drum winding1886 bar-armature1888 shuttle armature1890 shuttle-wound armature1893 slotted armature1902 society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [adjective] > types of wing flappinga1857 cambered1909 swept-back1914 slotted1921 crustacean1928 cranked1939 unswept1946 variable sweep1954 Gothic1959 ogival1962 the world > matter > physics > electromagnetic radiation > [noun] > wavelength > device for investigating standing waves slotted line1947 1849 Mechanics' Mag. Oct. 327 A pin..which takes into a slotted piece which slides up and down in a curved groove. 1869 W. J. M. Rankine Cycl. Machine & Hand-tools Pl.I 4 The reversing lever..is carried..through the slotted lever. 1881 A. G. Bell Sound by Radiant Energy 11 The beam of light is interrupted by its passage through the two slotted disks. 1902 Encycl. Brit. XXVII. 582/2 These wires lie side by side in the smooth-core armature with one layer, or one on the top of the other if there are two layers, as is usually the case in slotted armatures. 1921 Jrnl. Royal Aeronaut. Soc. 25 274 (heading) Flap experiments with slotted wings. 1921 Jrnl. Royal Aeronaut. Soc. 25 275 (caption) Slotted aerofoil with flap. 1926 Jrnl. Royal Aeronaut. Soc. 30 357 With a combination of slotted aileron and forward aerofoil, complete lateral control at the stall has been obtained. 1935 C. G. Burge Compl. Bk. Aviation 240/1 The Handley-Page Slotted Wing is one of the best-known devices for preventing this stalling, at least within the normal range of angles which an aeroplane is likely to reach. 1947 E. A. Yunker et al. in H. J. Reich Very High-frequency Techniques II. xxiv. 592 A notched coaxial cable is a cheap and easily made substitute for a slotted line and is satisfactory for measurements not requiring great accuracy. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VII. 44/2 A commercial slotted line for measuring impedances at the lower microwave frequencies is shown. 1973 J. D. Edwards Electr. Machines ii. 53 The basic machine equations are the same for a slotted armature as for a smooth cylindrical armature, provided that the total pole flux..is unchanged. 1977 R.A.F. Yearbk. 31/2 On rolling or overshooting, the lifting power of the wing with full slotted flaps is an experience to behold. < as lemmas |
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