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serration
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serration
serration (sɛˈreɪʃən) [ad. mod.L. serrātiōnem, f. serrāre (see serrate v.).] 1. Surg. The operation of sawing. rare— 0.1706 Phillips (ed. Kersey). 2. The condition of being serrated; indentation like that of a saw; chiefly concr. and pl., saw-like indentations, the teeth of a serrated edge or surfac...
Oxford English Dictionary
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Serration
Serration is a saw-like appearance or a row of sharp or tooth-like projections. Human uses of serration have copied, and gone beyond, those found in nature.
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serration
serration/sɪˈreɪʃn; sɪ`reʃən/ n1 [U] being serrated 锯齿状.2 C] notch on a serrated edge 锯齿形边缘的凹口.
牛津英汉双解词典
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Serrated blade
Types of serration
Tooth serration — Vertical serration along edge of blade
Single edge serration — Serration on one side, the other remains flat
Double edge serration — Serration on both sides
Fan serration — Side-to-side serration without necessarily having a toothed edge
Micro-serration — Serration
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serrulation
serrulation (sɛrjʊˈleɪʃən) [f. prec.: see -ation.] The condition of being serrulated; a fine or minute serration.1821 W. P. C. Barton Flora N. Amer. I. 59 The margin..in the older leaves..marked by about four serratiform indentures, scarcely deserving the appellation of serrulations. 1881 Jrnl. Bot....
Oxford English Dictionary
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Stigmella rolandi
The mine consists of a rather broad corridor that often follows the serration of the leaf margin.
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serrature
serrature (ˈsɛrətjʊə(r), -tʃə(r)) [ad. L. serrātūra, f. serrātus: see serrate a. and -ure.] = serration.1541 R. Copland Guydon's Quest. Cyrurg. F j b, In the top of euery of the other extremytees in cuttynge is a bowed sarrature which is composed with an addycion very subtylly made and bred there. a...
Oxford English Dictionary
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DSP coupling
However, there are differences to the preformed serration on the locking ring and the design of the lugs.
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Anemonoides lancifolia
Both the Latin and common names reference the leaf shape, with narrower leaflets, with a distinctive serration when compared to A. quinquefolia.
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Vegetative phase change
Arabidopsis thaliana, vegetative phase change is relatively subtle: leaves become more curled, with an increased number of abaxial trichomes, and increased serration
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锯齿
锯齿(Serration)是指一个尖锐或是类似齿的物体,侧面有一排像锯子一様,有许多突起的边缘。锯齿的切割面和被切割物体有多个接触点,其比平滑的切割面要小,因此产生的应力也会比较大,会让被切割物体上出现数个破口,锯齿再往复移动,使破口加大,产生切割的效果。
参考资料
切削工具
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Ophryotrocha eutrophila
Its supraacicular simple chaetae shows distal serration, while subacicular chaetae are compound, its blades showing serration.
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Urodeta crenata
Etymology
The species name is derived from the Latin crena (meaning serration, notch) and the suffix -ata (meaning provided with) and refers to the serrated
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Morum lindae
exserted; shoulder angle sharp; 16 serrated, bladelike axial ribs on body whorl; axial ribs intersected by 7 large spiral cords, with large, pointed serration
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Angelica japonica
Angelica japonica can be distinguished its red-striped stem, and leaves that are thicker with less coarse serration.
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