The contract performance covers a 6 month base period with four one-year option periods.

合同日期包括6个月的基本期和四个为期一年的选择期。

youdao

If this option is enabled, the generated acknowledgment contains up to four SACK options.

如果启用此选项，则产生的应答包括最多四个SACK选项。

youdao

In addition, this option provides for the procurement of four mounting kits for the E-2D and FCNS test equipment.

另外，该选项为e - 2d的4个装备工具箱和FCNS测试设备提供了采办。

youdao

Although all outlets offered a vegetable side option, just four included vegetables as part of all meals.

BBC: Salt content warning over children's meals

They said experts had drawn up four option to try to stop future flooding in the area.

BBC: NEWS | UK | Wales | North West Wales | New defences for flood-hit valley

But Wales prefer the option of their four sides entering a money-spinning, revamped Powergen Cup alongside the top 12 English teams.

BBC: SPORT | Rugby Union | Celtic League collapses over row