The phrase "are standard features" is correct and usable in written English.
It can be used to describe characteristics or elements that are commonly included in a product, service, or system.
Example: "The new software update includes several enhancements that are standard features in most modern applications."
Alternatives: "are typical features" or "are common features".
Evenings of his choreography are standard features of repertory from Seattle to St .Petersburg, Russia.
Things like personalized recommendations, song suggestions and offline play are standard features on its rivals.
The interface makes use of the link ports, which are standard features of general-purpose digital signal processor (DSP).
Then there are standard features which are common to other banking apps like the ability to mail paper checks to people from the app or depositing checks by snapping photos of them.
There are standard features and functions (e.g., chat room and messages) within Moodle, and the course designer can activate or choose the features according to his or her needs.
Polynuclear neutrophil leukocytosis in addition to increased levels of CRP and ESR are standard features of ISI, while being inconsistent and non-specific [ 1, 14, 17].
That suggests that GPS satellite navigation, capacity for mobile television and storage space for hundreds of music tracks will also be standard features before long.
There will also be standard features, like a Popular section, favoriting and flagging functions, and comments among other things.
App analytics and sales figures are crucial to making Amazon's Appstore a more complete service – these things have long been standard features of competing stores like Google Play or Apple's iTunes, for example.
More or less an upgrade to the existing 8700 series Cingular currently offers, the 8800 adds the popular/troublesome trackball of the Pearl, meaning this might be standard feature on all forthcoming BBs from RIM.
