维持

The standard of living today is on the edge of subsistence.

现在的生活水平几乎快要无法维持生计。

For centuries farmers there have only just managed to survive.

几个世纪以来，那里的农民只能勉强维持生计。

The mechanics work hard to keep the he-licopters airworthy.

机修工努力维持直升机的飞行性能。

It is an open question how long that commitment can last.

这一承诺能维持多久还不确定。

BK _ ( Ca ) channel plays an important role in regulating smooth muscle contractility and maintaining membrane potential.

BK_ ( Ca ) 通道在维持平滑肌细胞膜电位的维持和肌紧张的调节中起着重要作用.

A number of efforts were being made to keep the company afloat.

正采取各种措施来维持公司的正常资金周转。

I supported us by writing bilge for women's magazines.

我胡乱给女性杂志写点东西，维持我们的生计。

He can let the court's decision stand and permit the execution.

他有权维持法庭判决，批准死刑生效。

According to the terms of the pact, a U.N. police ( or peace-keeping) force will maintain law and order there

根据协议条款，一支联合国维持和平部队将在当地维持法律和秩序

Things were difficult, and we needed her wages to keep going.

日子很艰难，我们要靠她的工资来维持生活。

Dell maintains a relentless focus on reducing costs while maintaining quality standards that are unsurpassed in the industry.

当维持在工业是未被超越的优秀标准时，小山谷维持减少费用的一个无情的焦点。

Their defense markets are too small to sustain economically viable production runs.

他们的国防市场太小，就经济可行性而言不足以维持生产。

Mounted police were brought in to maintain law and order. police a street

骑警队被叫来维持治安。派警察维持街道治安

Cash alone will not make Eastern Europe's banks viable.

仅靠现金不能使东欧的银行维持下去。

In the short and medium term, print provides the money until digital can become self-sustaining over time, said Steve Hills, Washington Post president.

在短期和中期，印刷版业务维持了收入来源，直到数字业务能够逐渐自我维持，《华盛顿邮报》总裁史蒂文•希尔斯（Steve Hills）表示。

In group A, propofol target concentration was kept at 3 μ g/ ml after intubation, and remifentanil was infused at the rate of 0-1 μ g · kg-1 · min-1 based on hemodynamic changes.

A组：插管后维持丙泊酚靶浓度3μg/ml不变，雷米芬太尼根据血流动力学变化按0~1μg.kg-1.min-1输注给药，维持血流动力学稳定。

During the compaction, the genes maintaining cell pluripotentiality express actively, which may be related to maintaining the embryonic cell totipotence in the differentation environment.

在哺乳动物胚胎紧密化过程中，维持细胞多能性相关基因表达明显活跃，这可能与维持胚胎细胞在分化环境中保持其全能性相关；

My department had a healthy interest in keeping expenses down.

我部门对维持低水平开支有浓厚兴趣。

It only lasted a couple of years, as far as I know.

据我所知，它仅仅维持了两三年。

The authorities have said they will attempt to maintain essential services.

当局已表示他们将努力维持公共基础服务。

Condusion Yi Jing Fang prevented and treated the inhibition of sexual gland by relieving the testis tissue damage, increase the level of Ts and regulating the balance of Ts 、 FSH and LH in serum.

结论益精方防治CTX致性腺抑制的作用机理在于其减轻睾丸组织损伤，维持正常Ts水平，保持Ts、FSH、LH之间的平衡，从而维持正常的性腺功能。

In group B, propofol target concentration was 2 μ g/ ml after pneumoperitoneum, and remifentanil infusion rate was the same as that in group A.

B组：待手术开始气腹稳定后，丙泊酚靶浓度降至2μg/ml并维持，通过调整雷米芬太尼的输注给药速度维持血流动力学稳定。

The squeezing quantity maintenance is invariable, therefore the cake and soybean oil S & D quantity maintains invariably.

压榨量维持不变, 所以豆粕和豆油S & D数量均维持不变.

It demonstrates low concentration of NO could maintain the pluripotency of iPS cells and delay the iPS cells apoptosis without LIF in the medium.

表明低浓度NO可以维持iPS细胞的多能性，并可以延缓在无LIF条件下iPS细胞的凋亡作用，维持其自我更新。

A brain-dead woman who was kept alive for three months so she could deliver the child she was carrying was removed from life support Wednesday and died, a day after giving birth.

星期三一名脑死亡的妇女在维持三个月生命而生下一女婴一天后被拿掉维持生命的设备，死亡。

The US armed forces have rarely been needed more to preserve the balance of power, and so maintain a peaceful environment for economic interaction.

该地区很少像现在这么迫切需要美国军队来维持力量平衡，从而为经济往来维持一个和平的环境。

It suggested the immunization effectivity and antibody persistence of YDV and PDV could maintain at least 8 years and 9 years respectively.

提示YDV的免疫效果及抗体持久性至少可维持8年，PDV至少可维持9年。

The big factories are trying to stay alive by cutting costs.

大型工厂正试图通过削减成本以维持生存。

The Oxfam shops depend on regular supplies of saleable items.

乐施商店靠出售一些人们定期捐赠的适销物品维持经营。

United Nations forces policed the Gaza strip for a long period.

联合国（维持和平）部队在加沙地带维持治安很长一段时间。