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ネイピア数
e (mathematical constant); Euler's number; Napier's constantnoun
は
topic markergrammar
自然対数
natural logarithmnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
底
base (logarithm, exponential, number system); radix; base (triangle, cone, cylinder, etc.); type; kind; extent; degreenoun
として
as; in the role ofgrammar
知ら
know; be aware of; learn; find out; sense; feel; notice; realize; understand; comprehend; grasp; appreciate; remember; be familiar with; be acquainted with; experience; go through; know (hardship); get to know; get acquainted with; have to do with; be concerned with; be one's responsibility-> 知るgodan verb
れ
passive, potential, or respect auxiliary-> れる/られるgrammar
ている。
ongoing or resultant stategrammar