Such a contest can lead to stable, and often complex, arrangements of the chemicals' relative concentrations.

ECONOMIST: Mathematical ecology

It was a complex but relatively stable world defined by a network economy that was extremely rigid in some ways, and fluid in other ways.

FORBES: Entrepreneurs are the New Labor: Part I

The computer system, after crashing repeatedly in October and proving unable to deal with complex cases, is more stable.

ECONOMIST: A new and controversial law takes effect this weekend

"Fostering a balanced and stable economy is a challenge too sweeping and complex for countries to approach in isolation, " Mrs Clinton said.

BBC: China

How did Stanford attract so many despite being a complex, opaque operation in a lightly regulated jurisdiction, offering oddly stable returns?

ECONOMIST: Financial fraud

While the solution may be complex in its execution, it can be simply stated: Establish stable institutions to empower people to be free and productive and they will prosper.

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The M5S SSD can truly responds to the complex access environment of the computer and bring a superb computing performance under stable speeds.

ENGADGET: Plextor M5S SSD coming mid-July: healthy speeds starting at $99 for 64GB