The right of preemption is a kind of expectant right, which base on and come into being when the primary relation setup.

优先购买权是一种期待权，始于基础关系成立之时。

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The primary goal is to ascertain the compatibility of those components in relation to the components that are already integrated.

主要目标是确定这些组件与已经集成组件之间的兼容性。

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Listing 6 defines the relation between a column and a primary key, also represented by Figure 5 following. The relation ensures that.

列表6定义了一个列与一个主键之间的关联，后面的图5也表示了这点。

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Singapore in relation with the primary beneficiaries of 30 or 32 years of political stability and that will allow both these countries to concentrate on the economic development, not forgetting that Indonesia for its sheer size has been very benign in imposing its views on this part of the world.

BBC: Indonesia on the brink

Its found little relation between the supply of primary care doctors in a region the percentage of people who see a primary care doctor each year.

FORBES: Are Doctors Too Disorganized?

The CHC says it had decided not to refer these changes to the health minister either, but it "has reservations in relation to the availability of capital investment for the proposed new primary care developments in line with the timescales and the implementation plans of the health board".

BBC: North Wales NHS: Green light for baby care proposals