Project Gotham Racing 2 is a 2003 arcade-style racing video game developed by Bizarre Creations and published by Microsoft Game Studios. It was released exclusively for the Xbox in November 2003 as the successor to 2001's Project Gotham Racing. Development began shortly after the completion of the first game and was first made official in ...

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2003年11月18日 · Project Gotham Racing 2 is a true test of racing skill, style, and daring that rewards you not only for how fast you drive, but also for how you drive fast.

Project Gotham Racing (PGR) is a series of racing video games published by Microsoft Studios, with four main titles all of which were developed by Bizarre Creations. It is the spiritual successor to Bizarre Creations' previous game Metropolis Street Racer, released by …

2003年12月2日 · Perform power slides, 360° turns, drive on two wheels or stay in the slipstream of your opponents to build up a stash. With those points, you can unlock new venues and faster race monsters, such as the Ferrari Enzo, Porsche GT2, BMW Z4, Pontiac GTO, Mini Cooper S and many others. The game can be played both over System Link or Xbox Live.

2003年11月18日 · PGR 2 is a beautiful game that handles amazingly well, sounds just as good, and redefines what gamers should expect from an online racer. The game's seamless integration of Xbox Live is simply ...

Project Gotham Racing 2 is the ultimate test of racing skill, style, and daring that rewards you not only for how fast you drive, but also for how you drive fast.

Xbox Live-focused sequel to the original PGR. Project Gotham Racing 2 promises to offer the ultimate test of racing skill, style, and daring that rewards you not only for how fast you drive, but also for how you drive fast.

胃蛋白酶原 (pepsinogen，PG)是一种具有消化功能的内切蛋白酶，是由375个氨基酸组成的单链多肽，属于天冬氨酸蛋白家族。 人胃蛋白酶原可根据在琼脂凝胶电泳下的迁移率由快至慢分为pgl-pg7七种同工酶原，其中pgl-pg5有共同的免疫原性，也叫PG I；pg6到pg7迁移率较慢，也叫PG II。 在组织体内，PG I和PG II的细胞来源和组织分布各不相同 。 有研究表明PG I水平降低是胃病发生与发展的可靠标志。 国外也有人把低水平血清PG看作是胃病发生与发展的标志，其通过 …