阿根廷共和国 The Republic of Argentina ; REPUBLICA ARGENTINA ; Republic of Argentina Republica Argentina
共轭根式 conjugate surd ; [数] conjugate radicals ; radical conjugates
共轭根 [数] conjugate root
共轭不尽根 conjugate surd
哥本哈根共识中心 Copenhagen Consensus Center
菌根共生 Mycorrhizal Symbiosis
共同根 common unit root
菌根共聚 mycorrhyzal association
共和阿根廷 republica argentina
1901年，意大利数学家马里奥·拉扎里尼对该理论进行了实验尝试，他一共掷出了3408根针，得出的π值为3.1415929…，这个数值准确到小数点后六位。
The theory was put to the test in 1901 by Mario Lazzarini, a mathematician who dropped 3408 needles to get a value of 3.1415929…, correct to the first six decimal places.
方法：将需行根管治疗的137个患牙、共389个根管随机分为两组。
METHODS: 389 root canals of 137 teeth were randomly divided into two groups.
本组病例MRI共检出33个受损神经根，手术探查发现41根受损神经根。
MRI detected 33 injured nerve rootlets, And we had found 41 injured nerve rootlets in surgical exploration.
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