| 释义 |
bracketing
brack·et B0441500 (brăk′ĭt)n.1. a. A simple rigid structure in the shape of an L, one arm of which is fixed to a vertical surface, the other projecting horizontally to support a shelf or other weight.b. A small shelf or shelves supported by such structures.2. Architecture A decorative or weight-bearing structural unit, two sides of which form a right angle with one arm flush against a wall and the other flush beneath a projecting surface, such as eaves or a bay window.3. A wall-anchored fixture for gas or electricity.4. a. A square bracket.b. An angle bracket.c. Mathematics See brace.5. Chiefly British One of a pair of parentheses.6. A classification or grouping, especially within a sequence of numbers or grades, as a category of incomes sharing the same tax rate.7. A treelike diagram showing the matchups between competitors in different rounds of a tournament.8. a. The distance between two impacting shells, the first aimed beyond a target and the second aimed short of it, used to determine the range for artillery fire.b. The shells fired in such a manner.tr.v. brack·et·ed, brack·et·ing, brack·ets 1. To furnish or support with a bracket or brackets.2. To place within or as if within brackets.3. To classify or group together.4. To include or exclude by establishing specific boundaries.5. To fire beyond and short of (a target) in order to determine artillery range.
[Possibly French braguette, codpiece, diminutive of brague, breeches, from Old Provençal braga, from Latin brācae, from Gaulish brāca, leg covering.]bracketing (ˈbrækɪtɪŋ) n1. (Architecture) a set of brackets2. (Photography) photog a technique in which a series of test pictures are taken at different exposure levels in order to obtain the optimum exposurebracketingA method of adjusting fire in which a bracket is established by obtaining an over and a short along the spotting line, and then successively splitting the bracket in half until a target hit or desired bracket is obtained.Bracketing brackets collectively, 1876.bracketing
bracketingA still camera technique for ensuring correct exposure. To bracket manually, one picture is taken at the estimated exposure setting; another slightly underexposed and a third slightly overexposed. One of the three images typically looks better than the rest. Cameras may also feature automatic bracketing, which takes several different exposures one after the other. See HDR for photos. See also bracket.bracketing1. Any system of brackets. 2. An arrangement of wooden brackets employed as a skeleton support to plasterwork, moldings, or other plaster ornamental details.bracketing
bracketing [brak´et-ing] a technique, used in qualitative research, in which the researcher's knowledge about an experience is suspended or set aside.bracketing A procedure used in subjective refraction in which large and equal steps of dioptric changes are made above and below the presumed correct answer, and then reducing the size of the dioptric changes and shifting the centre of the range, until the finest and just detectable blur is induced by equal steps above and below the refractive error. It is commonly used with patients with low vision and also to check the range of clear vision provided by a near addition.LegalSeeBracketbracketing
BracketingThe process of arranging groups of underwriters responsible for placing a new issue with investors into a hierarchy. This hierarchy indicates how much of an issue each group of underwriters is placing with respect to the others. The brackets are called, from largest to smallest: bulge bracket, major bracket, minor bracket, underwriter, selling group. The second largest bracket is sometimes called the mezzanine bracket. Brackets are listed in order of size on an advertisement detailing each new issue, known as the tombstone.bracketing The order in which underwriters' names appear in a securities offering. The names are generally listed in the order of importance in a particular offering. See also major bracket, mezzanine bracket, tombstone.ThesaurusSeebracket |