| 单词 | diameter |
| 释义 | diameter noun[CorU] uk/daɪˈæm.ɪ.tər/us/daɪˈæm.ə.t̬ɚ/(thelengthof) astraightlinethatreachesfrom onepointon theedgeof a roundshapeorobject, throughitscentre, to apointon theoppositeedge: 直径The diametermeasurestwicetheradius.直径是半径的两倍。 Thepondis sixfeetindiameter.这个池塘的直径为6英尺。 Geometry: parts of geometrical shapes
diameter| American Dictionarydiameter noun[C/U] us/dɑɪˈæm·ɪ·t̬ər/geometry thedistancefrom onesideto theoppositesideof acircle,measuredby alinepassingthrough thecenterof thecircle: [C]We need apipewith a diameter of about sixinches. Examplesofdiameterdiameter These blocks will be returned after extraction of smalldiametercores of tissue for the production of tissue micro-arrays. From theCambridge English Corpus Defined as the maximumdiameterof the radius at the level of the middle of the tuberosity. From theCambridge English Corpus These figures show that thediameteris likewise insensitive to the unsteady feed-in radius (0, t): a 5% input variation yields around a 1% response. From theCambridge English Corpus This mode tends to produce droplets of diameters much smaller than that of the jet. From theCambridge English Corpus Thediameterat entrance is 30 mm anddiameterat tip is varied as 0, 3, 5, and 10 mm. From theCambridge English Corpus Subsequently, saltation begins when particles move vertically into the air by a distance of the order of theirdiameter. From theCambridge English Corpus The seeds (diameter1-2 mm) contain a peripheral embryo that forms a ring around the central perisperm. From theCambridge English Corpus If lizards were on elevated perches, we recorded thediameterof the perch (cm) and height off the ground (m). From theCambridge English Corpus A glass capsule of 280 -300 mm indiameterwas placed in the center of it. From theCambridge English Corpus To obtain infested fruits, a third instar larva was placed into a small plastic dish (diameter17 mm, height 11 mm). From theCambridge English Corpus Erodible fraction is defined as the percentage of soil mass < 0.84 mmdiameter, and this parameter has been related to soil wind erodibility. From theCambridge English Corpus In opening up the torus, the non-circularity of the cross section is assumed small and decreasing to zero with increasingdiameterof the torus. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. CollocationswithdiameterdiameterThese are words often used in combination withdiameter. Click on a collocation to see more examples of it. angular diameter To map the receptive field, a small spot of 20 minangulardiameterwas used. From theCambridge English Corpus average diameter The shaft has an average diameter of 90 cm and descends 287 cm from the surface. From theCambridge English Corpus bore diameter Since theborediameterand the stroke of the actuator were not large enough, the time constant did not change with the position of the piston. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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