双语例句
- Which of the following plane figures have reflectional symmetry?
下列哪些平面图形具有反射对称性质? - Read from the plane map, the traffic lines form a big net.
从平面图上看,北京的交通线路组成了一张大网。
权威例句
Reflection SymmetryDensity Density, ρ= mass/unitvolume –Slugs/ft3;kg/m3 • Specific volume (volume per unit mass), • Specific weight= weight/volume ...Modelling molecular iodine emissions in a coastal marine environment: the link to new particle formationOn the vertical distribution of boundary layer halogens over coastal Antarctica: implications for O3, HOx, NOx and the Hg lifetimeMeasurement and modelling of tropospheric reactive halogen species over the tropical Atlantic OceanFirst observation of micrometeoroid differential ablation in the atmosphereAtmospheric Ca and Ca+ layers: Midlatitude observations and modelingSatellite measurements of the global mesospheric sodium layerPhotoemission from sodium on ice: a mechanism for positive and negative charge coexistence in the mesosphere.Radar Detectability Studies of Slow and Small Zodiacal Dust Cloud Particles: II. A Study of Three Radars with Different Sensitivity