What is the translation of " IS DIFFICULT TO DETECT " in Chinese?

• 难以检测
• 很难被发现
• 很难检测
• 是很难检测到

Examples of using Is difficult to detect in English and their translations into Chinese

EPO is difficult to detect.
这是因为EPO比较难检测出来。

This kind of poisoning is difficult to detect.
但是这种毒很难检测出来。

Zinc deficiency is difficult to detect using laboratory tests due to the body's strict control of zinc levels.
锌缺乏是很难检测到使用实验室测试，因为你的身体对锌水平的严格控制。

CKDu is deadly because it is difficult to detect.
CKDu部分是致命的，因为它很难被发现。

This cancer is difficult to detect in its early stages.
这种癌症在早期阶段很难发现。

It is called passive sniffing because it is difficult to detect.
被称为被动嗅觉，因为它很难被发现。

Pancreas cancer is difficult to detect and spreads quickly.
胰腺癌很难诊断并迅速传播。

It is called passive sniffing because it is difficult to detect.
它被称为被动嗅探，因为它很难被发现。

Zinc deficiency is difficult to detect using laboratory tests due to your body's tight control over zinc levels.
锌缺乏是很难检测到使用实验室测试，因为你的身体对锌水平的严格控制。

Light intensity reduced by 10%, vision reduced by 1%, the human eye is difficult to detect.
光强降低10％，视觉降低1％，人眼很难察觉到。

It is a slow-growing bacterium and is difficult to detect with traditional laboratory methods.
MG是一种生长缓慢的细菌，传统的实验室方法难以检测到。

It is often referred to as the“silent killer” because it is difficult to detect.
它通常被称为“沉默杀手”，因为它不容易被发现。

For similar reasons, the quantum state of the ion is difficult to detect using a conventional light-scattering measurement.
出于类似的原因，使用传统的光散射测量难以检测离子的量子态。

An overdose of morphine administered as a sedative will cause death without disturbance and is difficult to detect.
服用了过量的吗啡注射镇静剂会导致死亡没有干扰和难以检测。

This kind of software is difficult to detect, as it typically fulfills its functions that are expected by the user(ex. send messages).
这种软件很难检测，因为它通常满足用户期望的功能（例如发送消息）。

An overdose of morphine administered as a sedative will cause death without disturbance, and is difficult to detect.
过量使用吗啡作为镇静剂会导致无干扰的死亡，并且难以检测。

An added benefit is that, because of their low power levels, quantum radar is difficult to detect, making it less vulnerable to enemy action.
另外一个优势是，由于量子雷达功率低，很难被探测到，因此，也不易受到敌人攻击。

It's thought that objects such as supernovas, black holes or gamma ray bursts may produce cosmic rays, but their origin is difficult to detect.
据信，诸如超新星、黑洞或伽马射线的爆发都可能产生宇宙射线，但其起源却很难探测到。

An overdose of morphine administered as a sedative will cause death without disturbance and is difficult to detect.
被用作镇静剂的过量吗啡，会不受干扰地造成死亡，并令人难以察觉。

Because weak precipitation mainly occurs below 1 km above the ground, S-band Doppler radar is difficult to detect.
由于弱降水主要出现在近地面的1公里高度以下，S波段多普勒雷达难以发现小雨对应的回波。

Since nitrogen is a colorless and odourless gas that already makes up 78% of air, such a change is difficult to detect.
由于氮气是一种无色无味的气体，已占78％的空气，因此难以检测到这种变化。

(2) This number will decrease by one after December 2004 when one State Party completes the withdrawal from service of an ATB mine which is difficult to detect.
这一数字在2004年12月以后将减少一个，届时一个缔约国将完成一种难以探测的反坦克爆破雷的退役工作。

As small-scale attacks do not rely on traffic to win, their concealment will be stronger, and general-purpose security monitoring is difficult to detect.
由于小的攻击不依靠流量取胜，那么其隐蔽性就会更强，一般的安全监控很难被发现。

As small-scale attacks do not rely on traffic to win, their concealment will be stronger, and general-purpose security monitoring is difficult to detect.
既然小规模攻击不靠流量取胜，那么其隐蔽性就会更强，通用类的安全监测很难察觉。

Most of the time, peer-review is a black-box process, so reviewers are anonymous(authors mostly not), and malicious behavior is difficult to detect.
在大多数情况下，同行评审是一个黑盒过程，因此评审者是匿名的（大多数不是作者），并且恶意行为很难检测到。

Breast cancer can often be difficult to detect in its early stages.
乳腺癌在其早期阶段往往很难被发现。

Antineutrinos are difficult to detect and we cannot do that directly.
反中微子很难探测到，我们不能直接做到这一点。

ELANs are difficult to detect because they are so diffuse, Prochaska said.
Prochaska说，ELANs很难发现，因为它们是如此的漫长。