不常

Often a history of hepatitis or liver cirrhosis, serum alpha-fetoprotein-positive, first have hepatomegaly, jaundice in the late, abdominal pain not due to changes in body position changes, ultrasonography and radionuclide scans can be found in the liver lesions.

常有肝炎或肝硬化病史、血清甲胎蛋白阳性，先有肝肿大，黄疸在后期出现，腹痛不因体位改变而变化，超声和放射性核素扫描可发现肝占位性病变。

David used to hire out his car sometimes when he didn't need it himself.

过去，戴维不需要使用自己的小汽车时，常把它租给别人。

The pattern of hogpen +farmers failed in not really service and realizing promise because of not enough manpower and money.

猪场+农户"失败的原因是猪场人力、财力不足，不能真正做好服务工作和兑现承诺，常失信于农户。"

It were good therefore, that men in their innovations, would follow the example of time itself; which indeed innovated greatly, but quietly, and by degrees, scarce to be perceived: for otherwise, whatsoever is new, is unlocked for; and ever it mends some, and pairs other: and he that is holpen, takes it for a fortune, and thanks the time; and he that is hurt, for a wrong, and imputeth it to the author.

时间确常大事更革，但是它是以安详出之的，并且其来也渐，几乎是不为人所觉察的。如不然者，凡是新的事物都将被认为出乎意料的事物；有所改进就必有所损坏。得益的人将以之为幸运，归功于时间；受损失的人则将以此为怨仇，而归罪于行革新之事的人了。

That's the homespun advice often given to people who are worried about something in the future over which they have little control.

我们常会这样劝告那些常为着将来他们控制不了的事情而担忧的人。

It is not known whether ZFY homologue sequences exist on Z or/and W chromosomes or autosomes.

ZFY的同源性序列是存在于Z或/和W染色体上？还是在常染色体上不甚清楚。

Supposing the nonlinear term bounded, by using homotopy invariance theorem, we proved the existence of solutions of boundary value problems for a class of nonlinear ordinary differential equations.

在假设一类常微分方程边值问题中的非线性项有界的条件下，运用同伦映射不变性定理，得出了解的存在性结论。

In his critique of "kitsch", it is therefore important not to see a judgment placed on concrete individuals but rather a denunciation of the value system that lures and draws them along an ill-chosen path.

所以，不能把常徐功对艳俗的批判看成是对具体的人的批判，而应该看成是对引诱和蛊惑人的各种价值观念的批判。

There was no law, not even an unwritten law, against frequenting the Chestnut Tree Cafe, yet the place was somehow ill-omened

没什么法律不准常去栗树咖啡馆，连不成文的法律也没有，然而那地方却颇有点凶险。

The results indicate that the application of high technology in food production has raised the uncertainty level of food safety. Hence, it is essential to strengthen the risk management and communication methods in the production process. In addition, TAFT has been implemented in developed countries for many years, so, an imperfective TAFT system will be an obstacle for exporting our agricultural products to these countries.

在应然面方面，现代农业与食品生产方式由於常涉及高度科学不确定性之风险争议，必须透过强化风险治理及风险沟通机制，以保障消费者食的安全，并同时强化农作物生产的风险控管，以保障守法农民；此外，产销履历制度於先进国家行之有年的情况下，若不推行产销履历制度将使我国农产品出口形成阻碍，因此我国亟需产销履历制度的施行。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。