This is also the fundamental reason for his cyclical theory of history.

这也是造成其历史循环论的根本原因。

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This article uses economical cyclical theory and the agricultural cycle theory, analyzes the early warning system of the Jiangxi grain yield from 7 aspects.

本文利用经济周期和农业周期的相关理论，从7个方面分析江西粮食产量的预警问题。

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Northrop Frye's theory of archetypal criticism is a cyclical system in motion based on myth archetypes.

弗莱的原型批评理论是一个以神话原型为基础的循环运动体系。

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Rational expectations theory therefore implies that repeated counter-cyclical policies will be anticipated and are unlikely to affect real GDP or unemployment.

FORBES: Thomas Sargent, Rational Expectations And The Keynesian Consensus

The idea of the Labor Theory of value fits perfectly with a world of cyclical futility.

FORBES: Christmas, Kurtosis, Fat Tails, Black Swans and Risk Management

Having shovels in many different dirt-piles is meant to provide mining giants with insurance in a cyclical industry: not all commodities will plummet and peak at the same time, according to the theory.

ECONOMIST: An acquisition in aluminium