pinhole造句
31. Observers can also look at live images of the eclipsed sun by making simple pinhole cameras, according to eclipse expert and National Geographic grantee Jay Pasachoff.
32. Then punch a pinhole into the opposite side high enough so that the little shaft of light will miss your head.
33. The image of sphericity which does not located the principal optic axis is an ellipse based on pinhole model, and the image center offsets from the projection of the sphere center.
34. A new calibration method, pinhole Fraunhofer diffraction method, was introduced after analysing several methods of calibrating CCDs photoelectric characteristics.
35. The pin-connected steel structure, which has an interstice between the pin and the pinhole in the node point, is likely to have displacement before bearing its loads.
36. The pinhole test is more improtant than other tests for dispersive clay.
37. Precise boring of the pinhole is one of the key processes guaranteeing precision in piston machining.
38. Large diameter sleeve of steel casting by horizontal centrifugal casting machine has been introduced with discussion of technological measures of reducing pinhole and crack in sleeve.
39. Sewing process is no longer a pinhole and slit short code after the phenomenon of more energy efficient than similar models and environmental protection.
40. The moire pattern is used to determine the strain on the horizontal section through the pinhole centre by displacement derivative method.
41. The hard x-ray pinhole imaging method and its application in a simple mirror for measuring the radiation properties of ECR plasma are presented in this paper.
42. Three sub –keV X ray energy spectrometers have measured the radiation in Hohlraum for different direction through diagnostic pinhole or laser entrance holes.
43. Pekinese artist, Shi Guorui is a follower of the return to the roots, who uses the technique of the pinhole to photograph contemporary China.
44. The photograph was made between mid-December 2009 and mid-June 2010 with a pinhole camera—in this case a punctured black-plastic film canister, aluminum foil, and black-and-white film.
45. Desd - foldcharacteristics, non - polluting, pinhole for pelling off, uniformly thickness and width , adequate adequate adhesiveness along its full length, and high durability.
46. A pinhole above the door's center seems an imperfection of the material.
47. The measuring method and results of the ECR plasma properties taken from hard X-ray pinhole camera on the MM-2 magnetic mirror are presented.
48. The optical system of the micro digital sun sensor consists of APS CMOS image sensor and MEMS based diaphragm with pinhole array structure.
49. Pinhole on shot - hole damage is never structurally significant.
50. The deduction shall be 4 point on the hole bigger than pinhole.
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