approximately造句 241 The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material. 242 The real dike pattern can be approximately duplicated theoretically by the superposition of two very simple stress fields. 243 The road, about six kilometers from the aerodrome, "was approximately 600m long and was positioned in the same east-west direction as Runway 27 at Shobdon, " said the report.