查询词典 optional attribute

As an optional anti-apoptosis medicine, tetramethy pyrazine shows good effect. It is worth clinic trying and further studying.

作为抗凋亡药物川芎嗪是一个选择，临床上可以试用，也值得进一步深入的研究。

Electronic Development Labs, Inc. recently announced the development of its dual channel pyrometer with optional RS-232 interface.

Electronic Development Labs公司最近宣布其已成功开发出一种高温计。

It's discussed as though it were an optional, quaint and largely irrelevant part of biology.

这种讨论好象是可选择的、离奇的或与生物根本无关的事情。

You don't have to install this radio in your new car, it's an optional extra.

在新车上，你没有必要装收音机了，因为它并不是必须要装的！

You don't have to install this radio in your new car ;it's an extra optional.

不必在你的新车中安装这台收音机，它是可以选装的。

The helicopter can be fitted with a BG-06 radio altimeter, Type 150 single-sideband radio, and KJ-13 autopilot, and can choose the KDF-806 radio compass, KTR-908 radio, and TB-31 intercom as optional.

直升飞机能配备一部BG-06无线电高度计、150型单波段无线电和KJ-13自动驾驶仪，并能选择KDF-806无线电罗盘，KTR-908无线电，同样可选择TB-31对讲机。

The helicopter's cockpit can be fitted with a BG-06 radio altimeter, Type 150 single-sideband radio, and KJ-13 autopilot, and can choose the KDF-806 radio compass, KTR-908 radio, and TB-31 intercom as optional.

直升飞机的驾驶员座舱能够配备有一部BG-06型无线电测高计、150型单波段无线电和KJ-13型自动驾驶仪，并可选KDF-806型无线电罗盘、KTR-908型无线电和TB-31型对讲器。

And the point could be an optional place suitable for a reamer.

钻柱结构一定时，钻柱上存在稳定的纵向振动位移为零的点，可以作为扩眼器安放的参考位置。

It was mated to a four-speed manual transmission with various rear-end ratios optional.

这是配以四速手动变速箱与各汽车追尾比例可选。

Users can access the product by squeezing and lifting the lid of the closure, or by turning and removing the closure when used with an optional refillable neck finish.

用户可以访问该产品的压缩和取消盖子关闭，或转折点和消除封闭使用时有一个可选充装颈部完成。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。