it is specification vs it is specifications

Some examples from the web:

• Specification Inheritance. If the parent class is abstract, we often say that it is providing a specification for the child class, and therefore it is specification inheritance (a variety of specialization inheritance). Example: Java Event Listeners.
• If the parent class is abstract, we often say that it is providing a specification for the child class, and therefore it is specification inheritance (a variety of specialization inheritance). Example: Java Event Listeners. ActionListener, MouseListener ...
• May 18, 2011 ... It's entirely fictitious (although I'd love to live in the Byron Bay hinterland!) and any resemblance to any real person or project is purely coincidental. So here it is: Specification by Example: a Love Story (PDF). Enjoy.
• Jan 23, 2007 ... It is specification lead's intention to provide a license to use and distribute the RI according to the JSPA2 terms in binary format and for no charge. The RI will implement JSR 309 based on a media control protocol, such as ...

Some examples from the web:

• C-2 AMATEUR: NOTE: Included in this class are WENONAH SCR'S (Standard Class Racers); COMP cruisers; and 3 x 27's. If it looks like a racing canoe, it is. Specifications according to NYMCRA & USCA. these participants paddle regularly, ...
• If it looks like a racing canoe, it is. Specifications according to NYMCRA & USCA. these participants paddle regularly, frequently as training for races. C-1 AMATEUR (Racers): One person in a solo racing canoe. Specifications according to ...
• Aug 29, 2012 ... Samsung Galaxy Tab 2 10.1: what it is, specifications. The first-generation Samsung Galaxy Tab 10.1 was the iPad's closest rival of the time, even if such rivalry amounted to it being a device with a similar hardware spec, on a ...
• mMotion remote RC-601. In need of a new remote control for your mMotion? Here it is! Specifications Remote control for the mMotion Flip, older version LVM and Lifts For IR and IR-P version only Batteries included. Buy Now ...