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bennettitales
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bennettitales
Encyclopedia
理学
古植物学
释
bennettitales
本内苏铁目
裸子植物门苏铁纲已绝灭的一目。又称拟苏铁目。
理学
本内苏铁类
释
bennettitales
本内苏铁类
裸子植物中已绝灭的一个类群。又称拟苏铁类。
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direct cross
direct cross-border securities offerings
direct current
direct current amplifier
direct current arc furnace steelmaking
direct current arc source
direct current bridge
direct current bridge, DC bridge
direct current, DC
direct current discharge
direct current fields in whole space
direct current Josephson effect
direct current motor
direct current motor, DC motor
direct current plasma
direct current plasma source
direct current plasma source (DCP)
direct current polarography
direct current power supply
direct current prospecting instrument
direct current sputtering
direct current tachogenerator
direct current transmission
direct-current transmitting methods of working face
direct current vohage gradient
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