X1 because, as you know or you should know, you can hold negative quantities of assets, that's called shorting them.
并不一定要是正数，We ' re, not, going, to, restrict, x 1, to, be, a, positive, number，你们应该了解，资产的数量可以为负，我们把这称为做空。
The results showed that in the granulation step. Quantities of binders and impeller rates exerted positive effects to tensile strength of tablets; grain size of raw material exerted negative effect;
结果表明，制粒一步中粘合剂用量及搅浆速度对抗张强度起正作用，原料粒度则起负作用，粘合剂加入速度对不同压力下压制的片剂抗张强度影响不同。
The large quantities of negative factors that exist in mass communication have seriously affected the teenager's growth.
媒介传播中大量存在的消极因素已经严重影响了青少年的健康成长。
Men tended to attribute their fall to large quantities of food like curries, beer and fast food. Women spoke of emotional eating as a way to manage both negative and positive changes.
男人一般用暴食咖喱饭、啤酒和快餐等来缓解失落，女人在遇到好的或坏的生活变故时通常都喜欢情绪性进食。
Men tended to attribute their fall to large quantities of food like curries, beer and fast food. Women spoke of emotional eating as a way to manage both negative and positive changes.
男人一般用暴食咖喱饭、啤酒和快餐等来缓解失落，女人在遇到好的或坏的生活变故时通常都喜欢情绪性进食。
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