He is also terrible at
subtraction.
他的减法也很差。
They learn
subtraction in grade one.
他们在一年级学减法。
They do addition and
subtraction in arithmetic.
在算术里,他们作加减运算。
The size of the new United Family Hospital in Hongqiao is more than three times that of its previous one, and it is equipped with advanced magnetic resonance imaging system and digital subtraction angiography, which are rarely seen in private medical institutions in Shanghai, according to the hospital.
A digital subtraction angiography cath lab was established in the Baicheng municipal hospital of northeastern Jilin province earlier in May, which shed light on China's primary hospitals that are struggling with interventional therapies due to financial, technical and operational difficulties.
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