| 摘要 |
The applicator includes a) a lower part for manually gripping the applicator, b) a central part for resiliently straining the applicator under a manual constraint, c) an upper part bearing an application material and d) an application material anchored to the upper part wherein: 1) the lower and central parts have mean visible cross-sections, denoted respectively S<SUB>A </SUB>and S<SUB>B </SUB>such that the relative deviation ER<SUB>1</SUB>=|S<SUB>A</SUB>-S<SUB>B</SUB>|/S<SUB>A </SUB>is less than 0.1, 2) the lower and central parts form a first longitudinal component having an axial direction and a first shape factor L/D between 3 and 7, L and D denoting respectively the largest axial length of and the largest diameter of the first component perpendicular to the axial direction.
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