To comparative studies on ova superovulated and in vitro fertilization in various genetic background mouse strains, and to explore avenue of establishing the embryo bank in individual mouse genotypes.

对不同遗传背景小鼠的超数排卵效果和体外受精率进行比较研究，以探索建立不同遗传背景小鼠资源冷冻胚胎库的方法。

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The Bank insists the U-turn was necessary "to alleviate the strains in longer-maturity money markets" where interest rates have remained far above its official 5.75 per cent rate.

英国央行坚称，这种“调头”是必要的，“以减轻到期期限较长货币市场的压力”，在这些市场中，利率水平远远高于5.75%的官方水平。

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European Central Bank officials said Friday that strains on the EU banking system have eased in recent months, but said more work needs to be done in the coming months.

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This is, in other words, the opposite of trying to prop up a currency, which strains the foreign currency reserves of the central bank.

FORBES: Central Banks Are Never "Out of Ammunition"

Argentina did not choose a pure currency-board model: the government has a thin margin of discretion (working mainly through changes in bank reserve requirements) which it has used, especially to ease strains in the financial sector.

ECONOMIST: No more peso?