on rotation
41Rotation des postes, des tâches — ● Rotation des postes, des tâches organisation du travail où l ouvrier est affecté successivement à des tâches différentes pour rompre la monotonie du travail …
42Rotation du personnel — ● Rotation du personnel pourcentage du personnel remplacé, pendant un an, dans une entreprise …
43Rotation — Sf Drehung, Wechsel rotieren …
44rotation — 1550s, from L. rotationem (nom. rotatio), noun of action from pp. stem of rotare revolve, roll, from PIE *roto (see ROTARY (Cf. rotary)). Rotator muscle which allows a part to be moved circularly is recorded from 1670s …
45rotation — ► NOUN ▪ the action or process of rotating. DERIVATIVES rotational adjective rotationally adverb …
46rotation of crops — n. a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility …
47Rotation matrix — In linear algebra, a rotation matrix is a matrix that is used to perform a rotation in Euclidean space. For example the matrix rotates points in the xy Cartesian plane counterclockwise through an angle θ about the origin of the Cartesian… …
48Rotation — This article is about movement of a physical body. For other uses, see Rotation (disambiguation). A polyhedron resembling a sphere rotating around an axis. A rotation is a circular movement of an object around a center (or point) of rotation. A… …
49Rotation group — This article is about rotations in three dimensional Euclidean space. For rotations in four dimensional Euclidean space, see SO(4). For rotations in higher dimensions, see orthogonal group. In mechanics and geometry, the rotation group is the… …
50Rotation representation (mathematics) — In geometry a rotation representation expresses the orientation of an object (or coordinate frame) relative to a coordinate reference frame. This concept extends to classical mechanics where rotational (or angular) kinematics is the science of… …
