The nano-Sim is thinner and about a third smaller than the micro-Sim, and would allow more space for other functions.

Nano - SIM卡要更薄，尺寸也比micro - SIM卡小了三分之一左右，这样就能为智能移动设备省出空间来实现其他功能。

youdao

The Sim is crucial to the design of future handsets, with one person with knowledge of the committee saying that the Apple-backed nano-Sim could require a "drawer" to protect it.

SIM卡对于未来手机的设计有着至关重要的意义。 了解ETSI的一位人士认为，苹果主推的nano-SIM卡可能需要一个起保护作用的“小抽屉”。

youdao

Right now, Apple has a 24% market share with smartphones, and it has not yet released the iPhone 5 which is anticipated to include LTE, have a larger screen, different form factor and a nano Sim card.

FORBES: Apple's Recent Stock Price: Explanations

The European Telecommunications Standards Institute (ETSI) has confirmed the winning design of the fourth form factor of the SIM card is the design submitted by Apple for the Nano-SIM.

FORBES: Apple's Nano-SIM Victory Solves a Problem That Doesn't Exist

Any design is a compromise, but the positives in the Nano-SIM design outweigh the negatives.

FORBES: Apple's Nano-SIM Victory Solves a Problem That Doesn't Exist