"unchanged form" is correct and usable in written English.
You can use "unchanged form" when referring to something that has not been changed or altered. For example, "This photo is a faithful representation of the scene in its unchanged form".
Similarities in grammatical endings are shown in Table 2 by samples of noun declension and verb inflection in some of the more archaic languages that have retained the inflectional endings of Indo-European in relatively unchanged form.
He told the BBC: "When people say we should have filmed the original, I don't attack them for that point of view, but to see the original in its absolutely unchanged form, you require a kind of Shakespearean scholarship, and you need to understand the language and analyse it and so on.
Siri, the high quality and ultra-fast camera, 30 fps 1080p HD video, globally available voice recognition and the introduction of two antennae (the phone seamlessly switches between whichever is getting the strongest signal) are features that make the 4S irresistible; what is more, the unchanged form means that a whole new range of covers and accessories won't be required.
She told the BBC: "To see Shakespeare in the original, in its absolutely unchanged form, we need nothing more than a performance space and a company of actors who are able to share his stories in a way that engages their audience".
Classical motifs at first were sparingly applied to furniture of unchanged form, but slowly the curved line of Rococo was replaced by a simpler and more severe rectilinear design: chair legs became straight, tapered, and fluted; commodes and other storage furniture were no longer of bombé form.
Speaking with the BBC, Mr. Fellowes ("Downton Abbey") has waved away criticisms of his alterations because "to see the original in its absolutely unchanged form, you require a kind of Shakespearean scholarship and you need to understand the language and analyze it and so on".
For example, the unchanged germline form of 1.9III, an allelic variant of IGHV3-30, may encode an autoantibody [ 24- 26].
Injected into mice, the unchanged cells form not an embryo but a grisly tumor full of hair and teeth and known as a "monster cancer" or teratoma.
Unchanged in form for 100m years, sturgeon cruise both fresh and salt water, hoovering up prey with a flexible cartilaginous jaw.
Although it may be fundamentally true, at the level of atoms and basic molecules, that you are what you eat, we shouldn't expect particular compounds to enter our bodies, unchanged in form and function.
Equations of motion are established by using a variational displacement formulation; these equations remain unchanged in form whatever the number of layers.
