Sentence examples for is usually more difficult from inspiring English sources

Hence, it is usually more difficult to use live prototyping to evaluate retention and engagement over time.

These formalisms are however more complex and developing new features in these frameworks is usually more difficult than in the norm-conserving framework.

And while managing financially is usually more difficult for widows, widowhood tends to be more harmful to the health of men.

Search is usually more difficult in Focus+Context views than in undistorted ones: serial search through all the objects in a scene is harder if more objects are simultaneously visible.

In cases in which the atom that is substituted is linked to the rest of the molecule by only one bond, the bond involving the heavier isotope is usually more difficult to break than the one involving the lighter isotope.

Therefore, it is usually more difficult to solve them for very small parameter ϵ.

Since symbolic algorithms are usually more difficult to implement, there are also very few computer algebra systems.

But even for animal lovers, city pets are usually more difficult to keep than their country cousins.

Because of these two considerations, experiments with clusters are usually more difficult than those with either specific molecules or bulk matter.

That's usually more difficult for us, only because we have to haul seven astronauts weighing about 240 pounds with their gear, up this tiny little hole and they can get snagged on every little thing coming up Q.

Mesenchymal stem cells (MSCs) are usually more difficult to transfect [35].