如果需要的话

Other on... methods may also be overridden as required.

如果需要的话，其他onXXX方法也可以进行重载。

When the tree is built, it may be pruned using cross-validation procedure, if need.

当树建好之后，如果需要的话，可能需要用交叉验证来进行剪枝。

He'll clean the toilets too, if they need doing, he says.

他表示，如果需要的话，他也会去清扫卫生间。

It is important to add only the amount of black drop needed.

如果需要的话，应该增加黑滴的数量，这点很重要。

I ' d get a job as an aid in a hospital first -- carrying out bedpans, if necessary -- and look and listen.

我会先在一家医院里找一份做护工的工作——端便盆，如果需要的话——去看，去听。

Using a garden hose at an outside faucet, flush the tank as needed to remove sediment.

如果需要的话，在水龙头上连接一条花园软管，冲刷容器，清除沉淀物。

If need be, paint the front door, definitely shine up the door hardware, clean the back yard and do anything possible to make the yard look neat and clean like racking leaves and mowing the grass.

如果需要的话，油漆大门，大门肯定照耀了硬件，清理后院，做任何可能使院子看起来整洁如货架修剪树叶和草。

Use Venoms as needed.

如果需要的话，使用毒液。

In the field, this is normally achieved through the use of self-propelled steel-wheeled or pneumatic-tired rollers, and must be carried out while the asphalt cement is sufficiently fluid that it acts as a lubricant and assists the repositioning of the aggregate particles, if necessary, into a denser will apply to sufficiently well-compacted asphalt concrete mixtures.

在该领域，通常的做法是通过自推进钢轮或者气动轮胎滚轴来完成，并且必须要在沥青奖完全液化，可以做润滑脂和辅助聚合颗粒重定位的时候进行，如果需要的话，要使用致密器来充分压缩沥青混凝土混合物。

If needed, ask your oncologist for a referral.

如果需要的话，也可以请你的肿瘤医生推荐有关专家。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。