To solve the problem of taxation, Dr. Quesnay and the physiocrats came up with their own original single tax (l 'impot unique) -a single tax on land.

为了解决征税问题，魁奈医生和重农学派首创了单一税制(l ' impot unique)——只对土地单独征税。

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L single girder gantry crane is a bridge type, suitable for open storage for general cargo railway transport loading and unloading and lifting operations.

型单梁门式起重机属桥架型的一种，适用于露天仓库货铁路沿线进行一般的装卸及起重搬运作业。

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Before Tianwen l, no country had ever tried to send an orbiter, a lander and a rover in one single expedition to Mars.

在“天问一号”之前，没有国家尝试过在单次火星探测中发射轨道飞行器、着陆器和探测器。

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Previously called the Course de l'Aurore, it is a single-handed race which has attracted solo rowers since it started in 1970.

BBC: Sam Goodchild prepares for Solitaire du Figaro solo race

The sharpened focus of the Securities and Exchange Commission under Chairman Mary L. Schapiro may well be the single most important shift in the corporate governance landscape this year.

FORBES: The SEC At A Crossroads

To date, most of those trained in solar have been commuting out of L.A. to the suburbs and single-owner occupied buildings have been addressed a lot faster by the industry than blocks of apartments and rental homes.

FORBES: Los Angeles Fits The Bill To Become A Solar Hotspot